21640350420

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 672

約数和(自身を含む): 78973009920

約数和(自身を除く): 57332659500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 31, 36, 39, 45, 52, 54, 58, 60, 62, 65, 78, 81, 87, 90, 93, 108, 116, 117, 124, 127, 130, 135, 145, 155, 156, 162, 174, 180, 186, 195, 234, 243, 254, 260, 261, 270, 279, 290, 310, 324, 348, 351, 372, 377, 381, 390, 403, 405, 435, 465, 468, 486, 508, 522, 540, 558, 580, 585, 620, 635, 702, 729, 754, 762, 780, 783, 806, 810, 837, 870, 899, 930, 972, 1044, 1053, 1116, 1131, 1143, 1170, 1209, 1215, 1270, 1305, 1395, 1404, 1458, 1508, 1524, 1566, 1612, 1620, 1651, 1674, 1740, 1755, 1798, 1860, 1885, 1905, 2015, 2106, 2262, 2286, 2340, 2349, 2418, 2430, 2511, 2540, 2610, 2697, 2790, 2916, 3132, 3159, 3302, 3348, 3393, 3429, 3510, 3596, 3627, 3645, 3683, 3770, 3810, 3915, 3937, 4030, 4185, 4212, 4495, 4524, 4572, 4698, 4836, 4860, 4953, 5022, 5220, 5265, 5394, 5580, 5655, 5715, 6045, 6318, 6604, 6786, 6858, 7020, 7047, 7254, 7290, 7366, 7533, 7540, 7620, 7830, 7874, 8060, 8091, 8255, 8370, 8990, 9396, 9477, 9906, 10044, 10179, 10287, 10530, 10788, 10881, 11049, 11310, 11430, 11687, 11745, 11811, 12090, 12555, 12636, 13485, 13572, 13716, 14094, 14508, 14580, 14732, 14859, 15066, 15660, 15748, 15795, 16182, 16510, 16740, 16965, 17145, 17980, 18135, 18415, 18954, 19685, 19812, 20358, 20574, 21060, 21141, 21762, 22098, 22599, 22620, 22860, 23374, 23490, 23622, 24180, 24273, 24765, 25110, 26970, 28188, 29718, 30132, 30537, 30861, 31590, 32364, 32643, 33020, 33147, 33930, 34290, 35061, 35235, 35433, 36270, 36830, 37665, 37908, 39370, 40455, 40716, 41148, 42282, 43524, 44196, 44577, 45198, 46748, 46980, 47244, 47385, 47879, 48546, 49530, 50220, 50895, 51181, 51435, 53940, 54405, 55245, 58435, 59055, 59436, 61074, 61722, 63180, 65286, 66294, 67860, 68580, 70122, 70470, 70866, 72540, 72819, 73660, 74295, 75330, 78740, 80910, 84564, 89154, 90396, 91611, 92583, 94770, 95758, 97092, 97929, 99060, 99441, 101790, 102362, 102870, 105183, 105705, 106299, 108810, 110490, 112995, 114173, 116870, 118110, 121365, 122148, 123444, 130572, 132588, 133731, 140244, 140940, 141732, 143637, 145638, 148590, 150660, 152685, 153543, 154305, 161820, 163215, 165735, 175305, 177165, 178308, 183222, 185166, 189540, 191516, 195858, 198882, 203580, 204724, 205740, 210366, 211410, 212598, 217620, 218457, 220980, 222885, 225990, 228346, 233740, 236220, 239395, 242730, 255905, 267462, 274833, 287274, 291276, 293787, 297180, 298323, 305370, 307086, 308610, 315549, 318897, 326430, 331470, 342519, 350610, 354330, 364095, 366444, 370332, 391716, 397764, 401193, 420732, 422820, 425196, 430911, 436914, 445770, 451980, 456692, 458055, 460629, 462915, 478790, 485460, 489645, 497205, 511810, 525915, 531495, 534924, 549666, 570865, 574548, 587574, 596646, 610740, 614172, 617220, 631098, 637794, 652860, 655371, 662940, 668655, 685038, 701220, 708660, 718185, 728190, 767715, 802386, 861822, 873828, 891540, 894969, 916110, 921258, 925830, 946647, 956691, 957580, 979290, 994410, 1023620, 1027557, 1051830, 1062990, 1092285, 1099332, 1141730, 1175148, 1193292, 1203579, 1262196, 1275588, 1292733, 1310742, 1337310, 1370076, 1374165, 1381887, 1436370, 1456380, 1468935, 1484249, 1491615, 1535430, 1577745, 1594485, 1604772, 1712595, 1723644, 1789938, 1832220, 1842516, 1851660, 1893294, 1913382, 1958580, 1988820, 2005965, 2055114, 2103660, 2125980, 2154555, 2184570, 2283460, 2303145, 2407158, 2585466, 2621484, 2674620, 2684907, 2748330, 2763774, 2839941, 2870073, 2872740, 2937870, 2968498, 2983230, 3070860, 3082671, 3155490, 3188970, 3276855, 3425190, 3579876, 3786588, 3826764, 3878199, 4011930, 4110228, 4145661, 4309110, 4369140, 4452747, 4474845, 4606290, 4733235, 4783455, 4814316, 5137785, 5170932, 5369814, 5496660, 5527548, 5679882, 5740146, 5875740, 5936996, 5966460, 6017895, 6165342, 6310980, 6377940, 6463665, 6553710, 6850380, 6909435, 7421245, 7756398, 8023860, 8291322, 8519823, 8618220, 8905494, 8949690, 9212580, 9248013, 9466470, 9566910, 10275570, 10739628, 11359764, 11480292, 11634597, 12035790, 12330684, 12436983, 12927330, 13107420, 13358241, 13424535, 13818870, 14199705, 14350365, 14842490, 15413355, 15512796, 16582644, 17039646, 17810988, 17899380, 18496026, 18932940, 19133820, 19390995, 20551140, 20728305, 22263735, 23269194, 24071580, 24873966, 25854660, 26716482, 26849070, 27637740, 27744039, 28399410, 28700730, 29684980, 30826710, 34079292, 34903791, 36992052, 37310949, 38781990, 40074723, 41456610, 42599115, 44527470, 46240065, 46538388, 49747932, 53432964, 53698140, 55488078, 56798820, 57401460, 58172985, 61653420, 62184915, 66791205, 69807582, 74621898, 77563980, 80149446, 82913220, 83232117, 85198230, 89054940, 92480130, 110976156, 116345970, 120224169, 124369830, 133582410, 138720195, 139615164, 149243796, 160298892, 166464234, 170396460, 174518955, 184960260, 186554745, 200373615, 232691940, 240448338, 248739660, 267164820, 277440390, 332928468, 349037910, 360672507, 373109490, 400747230, 416160585, 480896676, 554880780, 601120845, 698075820, 721345014, 746218980, 801494460, 832321170, 1082017521, 1202241690, 1442690028, 1664642340, 1803362535, 2164035042, 2404483380, 3606725070, 4328070084, 5410087605, 7213450140, 10820175210, 21640350420]

約数ペア:

[(1, 21640350420), (2, 10820175210), (3, 7213450140), (4, 5410087605), (5, 4328070084), (6, 3606725070), (9, 2404483380), (10, 2164035042), (12, 1803362535), (13, 1664642340), (15, 1442690028), (18, 1202241690), (20, 1082017521), (26, 832321170), (27, 801494460), (29, 746218980), (30, 721345014), (31, 698075820), (36, 601120845), (39, 554880780), (45, 480896676), (52, 416160585), (54, 400747230), (58, 373109490), (60, 360672507), (62, 349037910), (65, 332928468), (78, 277440390), (81, 267164820), (87, 248739660), (90, 240448338), (93, 232691940), (108, 200373615), (116, 186554745), (117, 184960260), (124, 174518955), (127, 170396460), (130, 166464234), (135, 160298892), (145, 149243796), (155, 139615164), (156, 138720195), (162, 133582410), (174, 124369830), (180, 120224169), (186, 116345970), (195, 110976156), (234, 92480130), (243, 89054940), (254, 85198230), (260, 83232117), (261, 82913220), (270, 80149446), (279, 77563980), (290, 74621898), (310, 69807582), (324, 66791205), (348, 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11480292), (1905, 11359764), (2015, 10739628), (2106, 10275570), (2262, 9566910), (2286, 9466470), (2340, 9248013), (2349, 9212580), (2418, 8949690), (2430, 8905494), (2511, 8618220), (2540, 8519823), (2610, 8291322), (2697, 8023860), (2790, 7756398), (2916, 7421245), (3132, 6909435), (3159, 6850380), (3302, 6553710), (3348, 6463665), (3393, 6377940), (3429, 6310980), (3510, 6165342), (3596, 6017895), (3627, 5966460), (3645, 5936996), (3683, 5875740), (3770, 5740146), (3810, 5679882), (3915, 5527548), (3937, 5496660), (4030, 5369814), (4185, 5170932), (4212, 5137785), (4495, 4814316), (4524, 4783455), (4572, 4733235), (4698, 4606290), (4836, 4474845), (4860, 4452747), (4953, 4369140), (5022, 4309110), (5220, 4145661), (5265, 4110228), (5394, 4011930), (5580, 3878199), (5655, 3826764), (5715, 3786588), (6045, 3579876), (6318, 3425190), (6604, 3276855), (6786, 3188970), (6858, 3155490), (7020, 3082671), (7047, 3070860), (7254, 2983230), (7290, 2968498), (7366, 2937870), (7533, 2872740), (7540, 2870073), (7620, 2839941), (7830, 2763774), (7874, 2748330), (8060, 2684907), (8091, 2674620), (8255, 2621484), (8370, 2585466), (8990, 2407158), (9396, 2303145), (9477, 2283460), (9906, 2184570), (10044, 2154555), (10179, 2125980), (10287, 2103660), (10530, 2055114), (10788, 2005965), (10881, 1988820), (11049, 1958580), (11310, 1913382), (11430, 1893294), (11687, 1851660), (11745, 1842516), (11811, 1832220), (12090, 1789938), (12555, 1723644), (12636, 1712595), (13485, 1604772), (13572, 1594485), (13716, 1577745), (14094, 1535430), (14508, 1491615), (14580, 1484249), (14732, 1468935), (14859, 1456380), (15066, 1436370), (15660, 1381887), (15748, 1374165), (15795, 1370076), (16182, 1337310), (16510, 1310742), (16740, 1292733), (16965, 1275588), (17145, 1262196), (17980, 1203579), (18135, 1193292), (18415, 1175148), (18954, 1141730), (19685, 1099332), (19812, 1092285), (20358, 1062990), (20574, 1051830), (21060, 1027557), (21141, 1023620), (21762, 994410), (22098, 979290), (22599, 957580), (22620, 956691), (22860, 946647), (23374, 925830), (23490, 921258), (23622, 916110), (24180, 894969), (24273, 891540), (24765, 873828), (25110, 861822), (26970, 802386), (28188, 767715), (29718, 728190), (30132, 718185), (30537, 708660), (30861, 701220), (31590, 685038), (32364, 668655), (32643, 662940), (33020, 655371), (33147, 652860), (33930, 637794), (34290, 631098), (35061, 617220), (35235, 614172), (35433, 610740), (36270, 596646), (36830, 587574), (37665, 574548), (37908, 570865), (39370, 549666), (40455, 534924), (40716, 531495), (41148, 525915), (42282, 511810), (43524, 497205), (44196, 489645), (44577, 485460), (45198, 478790), (46748, 462915), (46980, 460629), (47244, 458055), (47385, 456692), (47879, 451980), (48546, 445770), (49530, 436914), (50220, 430911), (50895, 425196), (51181, 422820), (51435, 420732), (53940, 401193), (54405, 397764), (55245, 391716), (58435, 370332), (59055, 366444), (59436, 364095), (61074, 354330), (61722, 350610), (63180, 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