77662640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 203049504

約数和(自身を除く): 125386864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 113, 121, 142, 176, 220, 226, 242, 284, 355, 440, 452, 484, 565, 568, 605, 710, 781, 880, 904, 968, 1130, 1136, 1210, 1243, 1420, 1562, 1808, 1936, 2260, 2420, 2486, 2840, 3124, 3905, 4520, 4840, 4972, 5680, 6215, 6248, 7810, 8023, 8591, 9040, 9680, 9944, 12430, 12496, 13673, 15620, 16046, 17182, 19888, 24860, 27346, 31240, 32092, 34364, 40115, 42955, 49720, 54692, 62480, 64184, 68365, 68728, 80230, 85910, 88253, 99440, 109384, 128368, 136730, 137456, 160460, 171820, 176506, 218768, 273460, 320920, 343640, 353012, 441265, 546920, 641840, 687280, 706024, 882530, 970783, 1093840, 1412048, 1765060, 1941566, 3530120, 3883132, 4853915, 7060240, 7766264, 9707830, 15532528, 19415660, 38831320, 77662640]

約数ペア:

[(1, 77662640), (2, 38831320), (4, 19415660), (5, 15532528), (8, 9707830), (10, 7766264), (11, 7060240), (16, 4853915), (20, 3883132), (22, 3530120), (40, 1941566), (44, 1765060), (55, 1412048), (71, 1093840), (80, 970783), (88, 882530), (110, 706024), (113, 687280), (121, 641840), (142, 546920), (176, 441265), (220, 353012), (226, 343640), (242, 320920), (284, 273460), (355, 218768), (440, 176506), (452, 171820), (484, 160460), (565, 137456), (568, 136730), (605, 128368), (710, 109384), (781, 99440), (880, 88253), (904, 85910), (968, 80230), (1130, 68728), (1136, 68365), (1210, 64184), (1243, 62480), (1420, 54692), (1562, 49720), (1808, 42955), (1936, 40115), (2260, 34364), (2420, 32092), (2486, 31240), (2840, 27346), (3124, 24860), (3905, 19888), (4520, 17182), (4840, 16046), (4972, 15620), (5680, 13673), (6215, 12496), (6248, 12430), (7810, 9944), (8023, 9680), (8591, 9040)]