15905540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 41658624

約数和(自身を除く): 25753084

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 140, 163, 164, 170, 205, 238, 287, 326, 340, 410, 476, 574, 595, 652, 697, 815, 820, 1141, 1148, 1190, 1394, 1435, 1630, 2282, 2380, 2771, 2788, 2870, 3260, 3485, 4564, 4879, 5542, 5705, 5740, 6683, 6970, 9758, 11084, 11410, 13366, 13855, 13940, 19397, 19516, 22820, 24395, 26732, 27710, 33415, 38794, 46781, 48790, 55420, 66830, 77588, 93562, 96985, 97580, 113611, 133660, 187124, 193970, 227222, 233905, 387940, 454444, 467810, 568055, 795277, 935620, 1136110, 1590554, 2272220, 3181108, 3976385, 7952770, 15905540]

約数ペア:

[(1, 15905540), (2, 7952770), (4, 3976385), (5, 3181108), (7, 2272220), (10, 1590554), (14, 1136110), (17, 935620), (20, 795277), (28, 568055), (34, 467810), (35, 454444), (41, 387940), (68, 233905), (70, 227222), (82, 193970), (85, 187124), (119, 133660), (140, 113611), (163, 97580), (164, 96985), (170, 93562), (205, 77588), (238, 66830), (287, 55420), (326, 48790), (340, 46781), (410, 38794), (476, 33415), (574, 27710), (595, 26732), (652, 24395), (697, 22820), (815, 19516), (820, 19397), (1141, 13940), (1148, 13855), (1190, 13366), (1394, 11410), (1435, 11084), (1630, 9758), (2282, 6970), (2380, 6683), (2771, 5740), (2788, 5705), (2870, 5542), (3260, 4879), (3485, 4564)]