487581640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 1451520000

約数和(自身を除く): 963938360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 29, 31, 35, 40, 52, 56, 58, 62, 65, 70, 91, 104, 116, 124, 130, 140, 145, 149, 155, 182, 203, 217, 232, 248, 260, 280, 290, 298, 310, 364, 377, 403, 406, 434, 455, 520, 580, 596, 620, 728, 745, 754, 806, 812, 868, 899, 910, 1015, 1043, 1085, 1160, 1192, 1240, 1490, 1508, 1612, 1624, 1736, 1798, 1820, 1885, 1937, 2015, 2030, 2086, 2170, 2639, 2821, 2980, 3016, 3224, 3596, 3640, 3770, 3874, 4030, 4060, 4172, 4321, 4340, 4495, 4619, 5215, 5278, 5642, 5960, 6293, 7192, 7540, 7748, 8060, 8120, 8344, 8642, 8680, 8990, 9238, 9685, 10430, 10556, 11284, 11687, 12586, 13195, 13559, 14105, 15080, 15496, 16120, 17284, 17980, 18476, 19370, 20860, 21112, 21605, 22568, 23095, 23374, 25172, 26390, 27118, 28210, 30247, 31465, 32333, 34568, 35960, 36952, 38740, 41720, 43210, 46190, 46748, 50344, 52780, 54236, 56173, 56420, 58435, 60047, 60494, 62930, 64666, 67795, 77480, 81809, 86420, 92380, 93496, 105560, 108472, 112346, 112840, 116870, 120094, 120988, 125860, 129332, 133951, 135590, 151235, 161665, 163618, 172840, 184760, 224692, 233740, 240188, 241976, 251720, 258664, 267902, 271180, 280865, 300235, 302470, 323330, 327236, 393211, 409045, 420329, 449384, 467480, 480376, 535804, 542360, 561730, 600470, 604940, 646660, 654472, 669755, 786422, 818090, 840658, 937657, 1071608, 1123460, 1200940, 1209880, 1293320, 1339510, 1572844, 1636180, 1681316, 1741363, 1875314, 1966055, 2101645, 2246920, 2401880, 2679020, 3145688, 3272360, 3362632, 3482726, 3750628, 3932110, 4203290, 4688285, 5358040, 6965452, 7501256, 7864220, 8406580, 8706815, 9376570, 12189541, 13930904, 15728440, 16813160, 17413630, 18753140, 24379082, 34827260, 37506280, 48758164, 60947705, 69654520, 97516328, 121895410, 243790820, 487581640]

約数ペア:

[(1, 487581640), (2, 243790820), (4, 121895410), (5, 97516328), (7, 69654520), (8, 60947705), (10, 48758164), (13, 37506280), (14, 34827260), (20, 24379082), (26, 18753140), (28, 17413630), (29, 16813160), (31, 15728440), (35, 13930904), (40, 12189541), (52, 9376570), (56, 8706815), (58, 8406580), (62, 7864220), (65, 7501256), (70, 6965452), (91, 5358040), (104, 4688285), (116, 4203290), (124, 3932110), (130, 3750628), (140, 3482726), (145, 3362632), (149, 3272360), (155, 3145688), (182, 2679020), (203, 2401880), (217, 2246920), (232, 2101645), (248, 1966055), (260, 1875314), (280, 1741363), (290, 1681316), (298, 1636180), (310, 1572844), (364, 1339510), (377, 1293320), (403, 1209880), (406, 1200940), (434, 1123460), (455, 1071608), (520, 937657), (580, 840658), (596, 818090), (620, 786422), (728, 669755), (745, 654472), (754, 646660), (806, 604940), (812, 600470), (868, 561730), (899, 542360), (910, 535804), (1015, 480376), (1043, 467480), (1085, 449384), (1160, 420329), (1192, 409045), (1240, 393211), (1490, 327236), (1508, 323330), (1612, 302470), (1624, 300235), (1736, 280865), (1798, 271180), (1820, 267902), (1885, 258664), (1937, 251720), (2015, 241976), (2030, 240188), (2086, 233740), (2170, 224692), (2639, 184760), (2821, 172840), (2980, 163618), (3016, 161665), (3224, 151235), (3596, 135590), (3640, 133951), (3770, 129332), (3874, 125860), (4030, 120988), (4060, 120094), (4172, 116870), (4321, 112840), (4340, 112346), (4495, 108472), (4619, 105560), (5215, 93496), (5278, 92380), (5642, 86420), (5960, 81809), (6293, 77480), (7192, 67795), (7540, 64666), (7748, 62930), (8060, 60494), (8120, 60047), (8344, 58435), (8642, 56420), (8680, 56173), (8990, 54236), (9238, 52780), (9685, 50344), (10430, 46748), (10556, 46190), (11284, 43210), (11687, 41720), (12586, 38740), (13195, 36952), (13559, 35960), (14105, 34568), (15080, 32333), (15496, 31465), (16120, 30247), (17284, 28210), (17980, 27118), (18476, 26390), (19370, 25172), (20860, 23374), (21112, 23095), (21605, 22568)]