135424640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 358056720

約数和(自身を除く): 222632080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 260, 320, 328, 397, 410, 416, 520, 533, 640, 656, 794, 820, 832, 1040, 1066, 1312, 1588, 1640, 1664, 1985, 2080, 2132, 2624, 2665, 3176, 3280, 3970, 4160, 4264, 5161, 5248, 5330, 6352, 6560, 7940, 8320, 8528, 10322, 10660, 12704, 13120, 15880, 16277, 17056, 20644, 21320, 25408, 25805, 26240, 31760, 32554, 34112, 41288, 42640, 50816, 51610, 63520, 65108, 68224, 81385, 82576, 85280, 103220, 127040, 130216, 162770, 165152, 170560, 206440, 211601, 254080, 260432, 325540, 330304, 341120, 412880, 423202, 520864, 651080, 660608, 825760, 846404, 1041728, 1058005, 1302160, 1651520, 1692808, 2083456, 2116010, 2604320, 3303040, 3385616, 4232020, 5208640, 6771232, 8464040, 10417280, 13542464, 16928080, 27084928, 33856160, 67712320, 135424640]

約数ペア:

[(1, 135424640), (2, 67712320), (4, 33856160), (5, 27084928), (8, 16928080), (10, 13542464), (13, 10417280), (16, 8464040), (20, 6771232), (26, 5208640), (32, 4232020), (40, 3385616), (41, 3303040), (52, 2604320), (64, 2116010), (65, 2083456), (80, 1692808), (82, 1651520), (104, 1302160), (128, 1058005), (130, 1041728), (160, 846404), (164, 825760), (205, 660608), (208, 651080), (260, 520864), (320, 423202), (328, 412880), (397, 341120), (410, 330304), (416, 325540), (520, 260432), (533, 254080), (640, 211601), (656, 206440), (794, 170560), (820, 165152), (832, 162770), (1040, 130216), (1066, 127040), (1312, 103220), (1588, 85280), (1640, 82576), (1664, 81385), (1985, 68224), (2080, 65108), (2132, 63520), (2624, 51610), (2665, 50816), (3176, 42640), (3280, 41288), (3970, 34112), (4160, 32554), (4264, 31760), (5161, 26240), (5248, 25805), (5330, 25408), (6352, 21320), (6560, 20644), (7940, 17056), (8320, 16277), (8528, 15880), (10322, 13120), (10660, 12704)]