15929980

素因数分解:

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

素因数の和:179

約数の個数: 96

約数和(自身を含む): 39836160

約数和(自身を除く): 23906180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 103, 110, 148, 185, 190, 206, 209, 220, 370, 380, 407, 412, 418, 515, 703, 740, 814, 836, 1030, 1045, 1133, 1406, 1628, 1957, 2035, 2060, 2090, 2266, 2812, 3515, 3811, 3914, 4070, 4180, 4532, 5665, 7030, 7622, 7733, 7828, 8140, 9785, 11330, 14060, 15244, 15466, 19055, 19570, 21527, 22660, 30932, 38110, 38665, 39140, 41921, 43054, 72409, 76220, 77330, 83842, 86108, 107635, 144818, 154660, 167684, 209605, 215270, 289636, 362045, 419210, 430540, 724090, 796499, 838420, 1448180, 1592998, 3185996, 3982495, 7964990, 15929980]

約数ペア:

[(1, 15929980), (2, 7964990), (4, 3982495), (5, 3185996), (10, 1592998), (11, 1448180), (19, 838420), (20, 796499), (22, 724090), (37, 430540), (38, 419210), (44, 362045), (55, 289636), (74, 215270), (76, 209605), (95, 167684), (103, 154660), (110, 144818), (148, 107635), (185, 86108), (190, 83842), (206, 77330), (209, 76220), (220, 72409), (370, 43054), (380, 41921), (407, 39140), (412, 38665), (418, 38110), (515, 30932), (703, 22660), (740, 21527), (814, 19570), (836, 19055), (1030, 15466), (1045, 15244), (1133, 14060), (1406, 11330), (1628, 9785), (1957, 8140), (2035, 7828), (2060, 7733), (2090, 7622), (2266, 7030), (2812, 5665), (3515, 4532), (3811, 4180), (3914, 4070)]