67712320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 112

約数和(自身を含む): 178326288

約数和(自身を除く): 110613968

約数列:

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

約数ペア:

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