31859960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 85363200

約数和(自身を除く): 53503240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 103, 110, 148, 152, 185, 190, 206, 209, 220, 296, 370, 380, 407, 412, 418, 440, 515, 703, 740, 760, 814, 824, 836, 1030, 1045, 1133, 1406, 1480, 1628, 1672, 1957, 2035, 2060, 2090, 2266, 2812, 3256, 3515, 3811, 3914, 4070, 4120, 4180, 4532, 5624, 5665, 7030, 7622, 7733, 7828, 8140, 8360, 9064, 9785, 11330, 14060, 15244, 15466, 15656, 16280, 19055, 19570, 21527, 22660, 28120, 30488, 30932, 38110, 38665, 39140, 41921, 43054, 45320, 61864, 72409, 76220, 77330, 78280, 83842, 86108, 107635, 144818, 152440, 154660, 167684, 172216, 209605, 215270, 289636, 309320, 335368, 362045, 419210, 430540, 579272, 724090, 796499, 838420, 861080, 1448180, 1592998, 1676840, 2896360, 3185996, 3982495, 6371992, 7964990, 15929980, 31859960]

約数ペア:

[(1, 31859960), (2, 15929980), (4, 7964990), (5, 6371992), (8, 3982495), (10, 3185996), (11, 2896360), (19, 1676840), (20, 1592998), (22, 1448180), (37, 861080), (38, 838420), (40, 796499), (44, 724090), (55, 579272), (74, 430540), (76, 419210), (88, 362045), (95, 335368), (103, 309320), (110, 289636), (148, 215270), (152, 209605), (185, 172216), (190, 167684), (206, 154660), (209, 152440), (220, 144818), (296, 107635), (370, 86108), (380, 83842), (407, 78280), (412, 77330), (418, 76220), (440, 72409), (515, 61864), (703, 45320), (740, 43054), (760, 41921), (814, 39140), (824, 38665), (836, 38110), (1030, 30932), (1045, 30488), (1133, 28120), (1406, 22660), (1480, 21527), (1628, 19570), (1672, 19055), (1957, 16280), (2035, 15656), (2060, 15466), (2090, 15244), (2266, 14060), (2812, 11330), (3256, 9785), (3515, 9064), (3811, 8360), (3914, 8140), (4070, 7828), (4120, 7733), (4180, 7622), (4532, 7030), (5624, 5665)]