639851940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 384

約数和(自身を含む): 2540160000

約数和(自身を除く): 1900308060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 29, 30, 35, 36, 39, 42, 45, 52, 54, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 108, 116, 117, 126, 130, 135, 140, 145, 156, 174, 180, 182, 189, 195, 203, 210, 234, 252, 260, 261, 270, 273, 290, 315, 348, 351, 364, 377, 378, 390, 406, 420, 435, 449, 455, 468, 522, 540, 546, 580, 585, 609, 630, 702, 754, 756, 780, 783, 812, 819, 870, 898, 910, 945, 1015, 1044, 1092, 1131, 1170, 1218, 1260, 1305, 1347, 1365, 1404, 1508, 1566, 1638, 1740, 1755, 1796, 1820, 1827, 1885, 1890, 2030, 2245, 2262, 2340, 2436, 2457, 2610, 2639, 2694, 2730, 3045, 3132, 3143, 3276, 3393, 3510, 3654, 3770, 3780, 3915, 4041, 4060, 4095, 4490, 4524, 4914, 5220, 5278, 5388, 5460, 5481, 5655, 5837, 6090, 6286, 6735, 6786, 7020, 7308, 7540, 7830, 7917, 8082, 8190, 8980, 9135, 9429, 9828, 10179, 10556, 10962, 11310, 11674, 12123, 12180, 12285, 12572, 13021, 13195, 13470, 13572, 15660, 15715, 15834, 16164, 16380, 16965, 17511, 18270, 18858, 20205, 20358, 21924, 22620, 23348, 23751, 24246, 24570, 26042, 26390, 26940, 27405, 28287, 29185, 31430, 31668, 33930, 35022, 36540, 37716, 39063, 39585, 40410, 40716, 40859, 47145, 47502, 48492, 49140, 50895, 52084, 52533, 52780, 54810, 56574, 58370, 60615, 62860, 65105, 67860, 70044, 71253, 78126, 79170, 80820, 81718, 84861, 87555, 91147, 94290, 95004, 101790, 105066, 109620, 113148, 116740, 117189, 118755, 121230, 122577, 130210, 141435, 142506, 156252, 157599, 158340, 163436, 169273, 169722, 175110, 182294, 188580, 195315, 203580, 204295, 210132, 234378, 237510, 242460, 245154, 260420, 262665, 273441, 282870, 285012, 315198, 338546, 339444, 350220, 351567, 356265, 364588, 367731, 390630, 408590, 424305, 455735, 468756, 475020, 490308, 507819, 525330, 546882, 565740, 585945, 612885, 630396, 677092, 703134, 712530, 735462, 781260, 787995, 817180, 820323, 846365, 848610, 911470, 1015638, 1050660, 1093764, 1103193, 1171890, 1184911, 1225770, 1367205, 1406268, 1425060, 1470924, 1523457, 1575990, 1640646, 1692730, 1697220, 1757835, 1822940, 1838655, 2031276, 2206386, 2343780, 2369822, 2451540, 2460969, 2539095, 2734410, 3046914, 3151980, 3281292, 3385460, 3515670, 3554733, 3677310, 4101615, 4412772, 4570371, 4739644, 4921938, 5078190, 5468820, 5515965, 5924555, 6093828, 7031340, 7109466, 7354620, 7617285, 8203230, 9140742, 9843876, 10156380, 10664199, 11031930, 11849110, 12304845, 14218932, 15234570, 16406460, 17773665, 18281484, 21328398, 22063860, 22851855, 23698220, 24609690, 30469140, 31992597, 35547330, 42656796, 45703710, 49219380, 53320995, 63985194, 71094660, 91407420, 106641990, 127970388, 159962985, 213283980, 319925970, 639851940]

約数ペア:

[(1, 639851940), (2, 319925970), (3, 213283980), (4, 159962985), (5, 127970388), (6, 106641990), (7, 91407420), (9, 71094660), (10, 63985194), (12, 53320995), (13, 49219380), (14, 45703710), (15, 42656796), (18, 35547330), (20, 31992597), (21, 30469140), (26, 24609690), (27, 23698220), (28, 22851855), (29, 22063860), (30, 21328398), (35, 18281484), (36, 17773665), (39, 16406460), (42, 15234570), (45, 14218932), (52, 12304845), (54, 11849110), (58, 11031930), (60, 10664199), (63, 10156380), (65, 9843876), (70, 9140742), (78, 8203230), (84, 7617285), (87, 7354620), (90, 7109466), (91, 7031340), (105, 6093828), (108, 5924555), (116, 5515965), (117, 5468820), (126, 5078190), (130, 4921938), (135, 4739644), (140, 4570371), (145, 4412772), (156, 4101615), (174, 3677310), (180, 3554733), (182, 3515670), (189, 3385460), (195, 3281292), (203, 3151980), (210, 3046914), (234, 2734410), (252, 2539095), (260, 2460969), (261, 2451540), (270, 2369822), (273, 2343780), (290, 2206386), (315, 2031276), (348, 1838655), (351, 1822940), (364, 1757835), (377, 1697220), (378, 1692730), (390, 1640646), (406, 1575990), (420, 1523457), (435, 1470924), (449, 1425060), (455, 1406268), (468, 1367205), (522, 1225770), (540, 1184911), (546, 1171890), (580, 1103193), (585, 1093764), (609, 1050660), (630, 1015638), (702, 911470), (754, 848610), (756, 846365), (780, 820323), (783, 817180), (812, 787995), (819, 781260), (870, 735462), (898, 712530), (910, 703134), (945, 677092), (1015, 630396), (1044, 612885), (1092, 585945), (1131, 565740), (1170, 546882), (1218, 525330), (1260, 507819), (1305, 490308), (1347, 475020), (1365, 468756), (1404, 455735), (1508, 424305), (1566, 408590), (1638, 390630), (1740, 367731), (1755, 364588), (1796, 356265), (1820, 351567), (1827, 350220), (1885, 339444), (1890, 338546), (2030, 315198), (2245, 285012), (2262, 282870), (2340, 273441), (2436, 262665), (2457, 260420), (2610, 245154), (2639, 242460), (2694, 237510), (2730, 234378), (3045, 210132), (3132, 204295), (3143, 203580), (3276, 195315), (3393, 188580), (3510, 182294), (3654, 175110), (3770, 169722), (3780, 169273), (3915, 163436), (4041, 158340), (4060, 157599), (4095, 156252), (4490, 142506), (4524, 141435), (4914, 130210), (5220, 122577), (5278, 121230), (5388, 118755), (5460, 117189), (5481, 116740), (5655, 113148), (5837, 109620), (6090, 105066), (6286, 101790), (6735, 95004), (6786, 94290), (7020, 91147), (7308, 87555), (7540, 84861), (7830, 81718), (7917, 80820), (8082, 79170), (8190, 78126), (8980, 71253), (9135, 70044), (9429, 67860), (9828, 65105), (10179, 62860), (10556, 60615), (10962, 58370), (11310, 56574), (11674, 54810), (12123, 52780), (12180, 52533), (12285, 52084), (12572, 50895), (13021, 49140), (13195, 48492), (13470, 47502), (13572, 47145), (15660, 40859), (15715, 40716), (15834, 40410), (16164, 39585), (16380, 39063), (16965, 37716), (17511, 36540), (18270, 35022), (18858, 33930), (20205, 31668), (20358, 31430), (21924, 29185), (22620, 28287), (23348, 27405), (23751, 26940), (24246, 26390), (24570, 26042)]