71685680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 191706480

約数和(自身を除く): 120020800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 53, 55, 58, 80, 88, 106, 110, 116, 145, 176, 212, 220, 232, 265, 290, 319, 424, 440, 464, 530, 580, 583, 638, 848, 880, 1060, 1160, 1166, 1276, 1537, 1595, 2120, 2320, 2332, 2552, 2809, 2915, 3074, 3190, 4240, 4664, 5104, 5618, 5830, 6148, 6380, 7685, 9328, 11236, 11660, 12296, 12760, 14045, 15370, 16907, 22472, 23320, 24592, 25520, 28090, 30740, 30899, 33814, 44944, 46640, 56180, 61480, 61798, 67628, 81461, 84535, 112360, 122960, 123596, 135256, 154495, 162922, 169070, 224720, 247192, 270512, 308990, 325844, 338140, 407305, 494384, 617980, 651688, 676280, 814610, 896071, 1235960, 1303376, 1352560, 1629220, 1792142, 2471920, 3258440, 3584284, 4480355, 6516880, 7168568, 8960710, 14337136, 17921420, 35842840, 71685680]

約数ペア:

[(1, 71685680), (2, 35842840), (4, 17921420), (5, 14337136), (8, 8960710), (10, 7168568), (11, 6516880), (16, 4480355), (20, 3584284), (22, 3258440), (29, 2471920), (40, 1792142), (44, 1629220), (53, 1352560), (55, 1303376), (58, 1235960), (80, 896071), (88, 814610), (106, 676280), (110, 651688), (116, 617980), (145, 494384), (176, 407305), (212, 338140), (220, 325844), (232, 308990), (265, 270512), (290, 247192), (319, 224720), (424, 169070), (440, 162922), (464, 154495), (530, 135256), (580, 123596), (583, 122960), (638, 112360), (848, 84535), (880, 81461), (1060, 67628), (1160, 61798), (1166, 61480), (1276, 56180), (1537, 46640), (1595, 44944), (2120, 33814), (2320, 30899), (2332, 30740), (2552, 28090), (2809, 25520), (2915, 24592), (3074, 23320), (3190, 22472), (4240, 16907), (4664, 15370), (5104, 14045), (5618, 12760), (5830, 12296), (6148, 11660), (6380, 11236), (7685, 9328)]