71687280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 257983488

約数和(自身を除く): 186296208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 601, 710, 840, 852, 994, 1065, 1136, 1202, 1420, 1491, 1680, 1704, 1803, 1988, 2130, 2404, 2485, 2840, 2982, 3005, 3408, 3606, 3976, 4207, 4260, 4808, 4970, 5680, 5964, 6010, 7212, 7455, 7952, 8414, 8520, 9015, 9616, 9940, 11928, 12020, 12621, 14424, 14910, 16828, 17040, 18030, 19880, 21035, 23856, 24040, 25242, 28848, 29820, 33656, 36060, 39760, 42070, 42671, 48080, 50484, 59640, 63105, 67312, 72120, 84140, 85342, 100968, 119280, 126210, 128013, 144240, 168280, 170684, 201936, 213355, 252420, 256026, 298697, 336560, 341368, 426710, 504840, 512052, 597394, 640065, 682736, 853420, 896091, 1009680, 1024104, 1194788, 1280130, 1493485, 1706840, 1792182, 2048208, 2389576, 2560260, 2986970, 3413680, 3584364, 4480455, 4779152, 5120520, 5973940, 7168728, 8960910, 10241040, 11947880, 14337456, 17921820, 23895760, 35843640, 71687280]

約数ペア:

[(1, 71687280), (2, 35843640), (3, 23895760), (4, 17921820), (5, 14337456), (6, 11947880), (7, 10241040), (8, 8960910), (10, 7168728), (12, 5973940), (14, 5120520), (15, 4779152), (16, 4480455), (20, 3584364), (21, 3413680), (24, 2986970), (28, 2560260), (30, 2389576), (35, 2048208), (40, 1792182), (42, 1706840), (48, 1493485), (56, 1280130), (60, 1194788), (70, 1024104), (71, 1009680), (80, 896091), (84, 853420), (105, 682736), (112, 640065), (120, 597394), (140, 512052), (142, 504840), (168, 426710), (210, 341368), (213, 336560), (240, 298697), (280, 256026), (284, 252420), (336, 213355), (355, 201936), (420, 170684), (426, 168280), (497, 144240), (560, 128013), (568, 126210), (601, 119280), (710, 100968), (840, 85342), (852, 84140), (994, 72120), (1065, 67312), (1136, 63105), (1202, 59640), (1420, 50484), (1491, 48080), (1680, 42671), (1704, 42070), (1803, 39760), (1988, 36060), (2130, 33656), (2404, 29820), (2485, 28848), (2840, 25242), (2982, 24040), (3005, 23856), (3408, 21035), (3606, 19880), (3976, 18030), (4207, 17040), (4260, 16828), (4808, 14910), (4970, 14424), (5680, 12621), (5964, 12020), (6010, 11928), (7212, 9940), (7455, 9616), (7952, 9015), (8414, 8520)]