920520640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2910

約数の個数: 112

約数和(自身を含む): 2391338880

約数和(自身を除く): 1470818240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 790, 832, 1027, 1040, 1264, 1580, 2054, 2080, 2528, 2801, 3160, 4108, 4160, 5056, 5135, 5602, 6320, 8216, 10270, 11204, 12640, 14005, 16432, 20540, 22408, 25280, 28010, 32864, 36413, 41080, 44816, 56020, 65728, 72826, 82160, 89632, 112040, 145652, 164320, 179264, 182065, 221279, 224080, 291304, 328640, 364130, 442558, 448160, 582608, 728260, 885116, 896320, 1106395, 1165216, 1456520, 1770232, 2212790, 2330432, 2876627, 2913040, 3540464, 4425580, 5753254, 5826080, 7080928, 8851160, 11506508, 11652160, 14161856, 14383135, 17702320, 23013016, 28766270, 35404640, 46026032, 57532540, 70809280, 92052064, 115065080, 184104128, 230130160, 460260320, 920520640]

約数ペア:

[(1, 920520640), (2, 460260320), (4, 230130160), (5, 184104128), (8, 115065080), (10, 92052064), (13, 70809280), (16, 57532540), (20, 46026032), (26, 35404640), (32, 28766270), (40, 23013016), (52, 17702320), (64, 14383135), (65, 14161856), (79, 11652160), (80, 11506508), (104, 8851160), (130, 7080928), (158, 5826080), (160, 5753254), (208, 4425580), (260, 3540464), (316, 2913040), (320, 2876627), (395, 2330432), (416, 2212790), (520, 1770232), (632, 1456520), (790, 1165216), (832, 1106395), (1027, 896320), (1040, 885116), (1264, 728260), (1580, 582608), (2054, 448160), (2080, 442558), (2528, 364130), (2801, 328640), (3160, 291304), (4108, 224080), (4160, 221279), (5056, 182065), (5135, 179264), (5602, 164320), (6320, 145652), (8216, 112040), (10270, 89632), (11204, 82160), (12640, 72826), (14005, 65728), (16432, 56020), (20540, 44816), (22408, 41080), (25280, 36413), (28010, 32864)]