51229360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 151990272

約数和(自身を除く): 100760912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 227, 248, 260, 280, 310, 364, 403, 434, 454, 455, 496, 520, 560, 620, 728, 806, 868, 908, 910, 1040, 1085, 1135, 1240, 1456, 1589, 1612, 1736, 1816, 1820, 2015, 2170, 2270, 2480, 2821, 2951, 3178, 3224, 3472, 3632, 3640, 4030, 4340, 4540, 5642, 5902, 6356, 6448, 7037, 7280, 7945, 8060, 8680, 9080, 11284, 11804, 12712, 14074, 14105, 14755, 15890, 16120, 17360, 18160, 20657, 22568, 23608, 25424, 28148, 28210, 29510, 31780, 32240, 35185, 41314, 45136, 47216, 49259, 56296, 56420, 59020, 63560, 70370, 82628, 91481, 98518, 103285, 112592, 112840, 118040, 127120, 140740, 165256, 182962, 197036, 206570, 225680, 236080, 246295, 281480, 330512, 365924, 394072, 413140, 457405, 492590, 562960, 640367, 731848, 788144, 826280, 914810, 985180, 1280734, 1463696, 1652560, 1829620, 1970360, 2561468, 3201835, 3659240, 3940720, 5122936, 6403670, 7318480, 10245872, 12807340, 25614680, 51229360]

約数ペア:

[(1, 51229360), (2, 25614680), (4, 12807340), (5, 10245872), (7, 7318480), (8, 6403670), (10, 5122936), (13, 3940720), (14, 3659240), (16, 3201835), (20, 2561468), (26, 1970360), (28, 1829620), (31, 1652560), (35, 1463696), (40, 1280734), (52, 985180), (56, 914810), (62, 826280), (65, 788144), (70, 731848), (80, 640367), (91, 562960), (104, 492590), (112, 457405), (124, 413140), (130, 394072), (140, 365924), (155, 330512), (182, 281480), (208, 246295), (217, 236080), (227, 225680), (248, 206570), (260, 197036), (280, 182962), (310, 165256), (364, 140740), (403, 127120), (434, 118040), (454, 112840), (455, 112592), (496, 103285), (520, 98518), (560, 91481), (620, 82628), (728, 70370), (806, 63560), (868, 59020), (908, 56420), (910, 56296), (1040, 49259), (1085, 47216), (1135, 45136), (1240, 41314), (1456, 35185), (1589, 32240), (1612, 31780), (1736, 29510), (1816, 28210), (1820, 28148), (2015, 25424), (2170, 23608), (2270, 22568), (2480, 20657), (2821, 18160), (2951, 17360), (3178, 16120), (3224, 15890), (3472, 14755), (3632, 14105), (3640, 14074), (4030, 12712), (4340, 11804), (4540, 11284), (5642, 9080), (5902, 8680), (6356, 8060), (6448, 7945), (7037, 7280)]