19978903560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3753

約数の個数: 512

約数和(自身を含む): 81218764800

約数和(自身を除く): 61239861240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 19, 20, 21, 22, 24, 28, 30, 31, 33, 35, 38, 40, 42, 44, 55, 56, 57, 60, 62, 66, 70, 76, 77, 84, 88, 93, 95, 105, 110, 114, 120, 124, 132, 133, 140, 152, 154, 155, 165, 168, 186, 190, 209, 210, 217, 220, 228, 231, 248, 264, 266, 280, 285, 308, 310, 330, 341, 372, 380, 385, 399, 418, 420, 434, 440, 456, 462, 465, 532, 570, 589, 616, 620, 627, 651, 660, 665, 682, 744, 760, 770, 798, 836, 840, 868, 924, 930, 1023, 1045, 1064, 1085, 1140, 1155, 1178, 1240, 1254, 1302, 1320, 1330, 1364, 1463, 1540, 1596, 1672, 1705, 1736, 1767, 1848, 1860, 1995, 2046, 2090, 2170, 2280, 2310, 2356, 2387, 2508, 2604, 2660, 2728, 2926, 2945, 3080, 3135, 3192, 3255, 3410, 3534, 3671, 3720, 3990, 4092, 4123, 4180, 4340, 4389, 4620, 4712, 4774, 5016, 5115, 5208, 5320, 5852, 5890, 6270, 6479, 6510, 6820, 7068, 7161, 7315, 7342, 7980, 8184, 8246, 8360, 8680, 8778, 8835, 9240, 9548, 10230, 11013, 11704, 11780, 11935, 12369, 12540, 12958, 13020, 13640, 14136, 14322, 14630, 14684, 15960, 16492, 17556, 17670, 18355, 19096, 19437, 20460, 20615, 21945, 22026, 23560, 23870, 24738, 25080, 25697, 25916, 26040, 28644, 29260, 29368, 32395, 32984, 35112, 35340, 35805, 36710, 38874, 40381, 40920, 41230, 43890, 44052, 45353, 47740, 49476, 51394, 51832, 55065, 57288, 58520, 61845, 64790, 69749, 70680, 71610, 73420, 77091, 77748, 80762, 82460, 87780, 88104, 90706, 95480, 97185, 98952, 102788, 110130, 113801, 121143, 123690, 128485, 129580, 136059, 139498, 143220, 146840, 154182, 155496, 161524, 164920, 175560, 181412, 194370, 201905, 205576, 209247, 220260, 226765, 227602, 242286, 247380, 256970, 259160, 272118, 278996, 282667, 286440, 308364, 323048, 341403, 348745, 362824, 385455, 388740, 403810, 418494, 440520, 453530, 455204, 484572, 488243, 494760, 513940, 544236, 557992, 565334, 569005, 605715, 616728, 680295, 682806, 697490, 767239, 770910, 777480, 796607, 807620, 836988, 848001, 907060, 910408, 969144, 976486, 1027880, 1046235, 1088472, 1130668, 1138010, 1211430, 1251811, 1360590, 1365612, 1394980, 1413335, 1464729, 1534478, 1541820, 1593214, 1615240, 1673976, 1696002, 1707015, 1814120, 1952972, 2092470, 2162219, 2261336, 2276020, 2301717, 2389821, 2422860, 2441215, 2503622, 2721180, 2731224, 2789960, 2826670, 2929458, 3068956, 3083640, 3186428, 3392004, 3414030, 3755433, 3836195, 3905944, 3983035, 4184940, 4240005, 4324438, 4552040, 4603434, 4779642, 4845720, 4882430, 5007244, 5370673, 5442360, 5653340, 5858916, 6137912, 6259055, 6372856, 6486657, 6784008, 6828060, 7323645, 7510866, 7672390, 7966070, 8369880, 8480010, 8648876, 8762677, 9206868, 9559284, 9764860, 10014488, 10741346, 10811095, 11306680, 11508585, 11717832, 11949105, 12518110, 12973314, 13656120, 14647290, 15021732, 15135533, 15344780, 15932140, 16112019, 16960020, 17297752, 17525354, 18413736, 18777165, 19118568, 19529720, 21482692, 21622190, 23017170, 23784409, 23898210, 25036220, 25946628, 26288031, 26853365, 29294580, 30043464, 30271066, 30689560, 31864280, 32224038, 32433285, 33920040, 35050708, 37554330, 42965384, 43244380, 43813385, 45406599, 46034340, 47568818, 47796420, 50072440, 51893256, 52576062, 53706730, 58589160, 60542132, 64448076, 64866570, 70101416, 71353227, 75108660, 75677665, 80560095, 86488760, 87626770, 90813198, 92068680, 95137636, 95592840, 105152124, 107413460, 118922045, 121084264, 128896152, 129733140, 131440155, 142706454, 150217320, 151355330, 161120190, 166490863, 175253540, 181626396, 190275272, 210304248, 214826920, 227032995, 237844090, 259466280, 262880310, 285412908, 302710660, 322240380, 332981726, 350507080, 356766135, 363252792, 454065990, 475688180, 499472589, 525760620, 570825816, 605421320, 644480760, 665963452, 713532270, 832454315, 908131980, 951376360, 998945178, 1051521240, 1331926904, 1427064540, 1664908630, 1816263960, 1997890356, 2497362945, 2854129080, 3329817260, 3995780712, 4994725890, 6659634520, 9989451780, 19978903560]

約数ペア:

[(1, 19978903560), (2, 9989451780), (3, 6659634520), (4, 4994725890), (5, 3995780712), (6, 3329817260), (7, 2854129080), (8, 2497362945), (10, 1997890356), (11, 1816263960), (12, 1664908630), (14, 1427064540), (15, 1331926904), (19, 1051521240), (20, 998945178), (21, 951376360), (22, 908131980), (24, 832454315), (28, 713532270), (30, 665963452), (31, 644480760), (33, 605421320), (35, 570825816), (38, 525760620), (40, 499472589), (42, 475688180), (44, 454065990), (55, 363252792), (56, 356766135), (57, 350507080), (60, 332981726), (62, 322240380), (66, 302710660), (70, 285412908), (76, 262880310), (77, 259466280), (84, 237844090), (88, 227032995), (93, 214826920), (95, 210304248), (105, 190275272), (110, 181626396), (114, 175253540), (120, 166490863), (124, 161120190), (132, 151355330), (133, 150217320), (140, 142706454), (152, 131440155), (154, 129733140), (155, 128896152), (165, 121084264), (168, 118922045), (186, 107413460), (190, 105152124), (209, 95592840), (210, 95137636), (217, 92068680), (220, 90813198), (228, 87626770), (231, 86488760), (248, 80560095), (264, 75677665), (266, 75108660), (280, 71353227), (285, 70101416), (308, 64866570), (310, 64448076), (330, 60542132), (341, 58589160), (372, 53706730), (380, 52576062), (385, 51893256), (399, 50072440), (418, 47796420), (420, 47568818), (434, 46034340), (440, 45406599), (456, 43813385), (462, 43244380), (465, 42965384), (532, 37554330), (570, 35050708), (589, 33920040), (616, 32433285), (620, 32224038), (627, 31864280), (651, 30689560), (660, 30271066), (665, 30043464), (682, 29294580), (744, 26853365), (760, 26288031), (770, 25946628), (798, 25036220), (836, 23898210), (840, 23784409), (868, 23017170), (924, 21622190), (930, 21482692), (1023, 19529720), (1045, 19118568), (1064, 18777165), (1085, 18413736), (1140, 17525354), (1155, 17297752), (1178, 16960020), (1240, 16112019), (1254, 15932140), (1302, 15344780), (1320, 15135533), (1330, 15021732), (1364, 14647290), (1463, 13656120), (1540, 12973314), (1596, 12518110), (1672, 11949105), (1705, 11717832), (1736, 11508585), (1767, 11306680), (1848, 10811095), (1860, 10741346), (1995, 10014488), (2046, 9764860), (2090, 9559284), (2170, 9206868), (2280, 8762677), (2310, 8648876), (2356, 8480010), (2387, 8369880), (2508, 7966070), (2604, 7672390), (2660, 7510866), (2728, 7323645), (2926, 6828060), (2945, 6784008), (3080, 6486657), (3135, 6372856), (3192, 6259055), (3255, 6137912), (3410, 5858916), (3534, 5653340), (3671, 5442360), (3720, 5370673), (3990, 5007244), (4092, 4882430), (4123, 4845720), (4180, 4779642), (4340, 4603434), (4389, 4552040), (4620, 4324438), (4712, 4240005), (4774, 4184940), (5016, 3983035), (5115, 3905944), (5208, 3836195), (5320, 3755433), (5852, 3414030), (5890, 3392004), (6270, 3186428), (6479, 3083640), (6510, 3068956), (6820, 2929458), (7068, 2826670), (7161, 2789960), (7315, 2731224), (7342, 2721180), (7980, 2503622), (8184, 2441215), (8246, 2422860), (8360, 2389821), (8680, 2301717), (8778, 2276020), (8835, 2261336), (9240, 2162219), (9548, 2092470), (10230, 1952972), (11013, 1814120), (11704, 1707015), (11780, 1696002), (11935, 1673976), (12369, 1615240), (12540, 1593214), (12958, 1541820), (13020, 1534478), (13640, 1464729), (14136, 1413335), (14322, 1394980), (14630, 1365612), (14684, 1360590), (15960, 1251811), (16492, 1211430), (17556, 1138010), (17670, 1130668), (18355, 1088472), (19096, 1046235), (19437, 1027880), (20460, 976486), (20615, 969144), (21945, 910408), (22026, 907060), (23560, 848001), (23870, 836988), (24738, 807620), (25080, 796607), (25697, 777480), (25916, 770910), (26040, 767239), (28644, 697490), (29260, 682806), (29368, 680295), (32395, 616728), (32984, 605715), (35112, 569005), (35340, 565334), (35805, 557992), (36710, 544236), (38874, 513940), (40381, 494760), (40920, 488243), (41230, 484572), (43890, 455204), (44052, 453530), (45353, 440520), (47740, 418494), (49476, 403810), (51394, 388740), (51832, 385455), (55065, 362824), (57288, 348745), (58520, 341403), (61845, 323048), (64790, 308364), (69749, 286440), (70680, 282667), (71610, 278996), (73420, 272118), (77091, 259160), (77748, 256970), (80762, 247380), (82460, 242286), (87780, 227602), (88104, 226765), (90706, 220260), (95480, 209247), (97185, 205576), (98952, 201905), (102788, 194370), (110130, 181412), (113801, 175560), (121143, 164920), (123690, 161524), (128485, 155496), (129580, 154182), (136059, 146840), (139498, 143220)]