102747640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 152719880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 43, 47, 62, 82, 86, 94, 124, 155, 164, 172, 188, 205, 215, 235, 248, 310, 328, 344, 376, 410, 430, 470, 620, 820, 860, 940, 1240, 1271, 1333, 1457, 1640, 1720, 1763, 1880, 1927, 2021, 2542, 2666, 2914, 3526, 3854, 4042, 5084, 5332, 5828, 6355, 6665, 7052, 7285, 7708, 8084, 8815, 9635, 10105, 10168, 10664, 11656, 12710, 13330, 14104, 14570, 15416, 16168, 17630, 19270, 20210, 25420, 26660, 29140, 35260, 38540, 40420, 50840, 53320, 54653, 58280, 59737, 62651, 70520, 77080, 80840, 82861, 109306, 119474, 125302, 165722, 218612, 238948, 250604, 273265, 298685, 313255, 331444, 414305, 437224, 477896, 501208, 546530, 597370, 626510, 662888, 828610, 1093060, 1194740, 1253020, 1657220, 2186120, 2389480, 2506040, 2568691, 3314440, 5137382, 10274764, 12843455, 20549528, 25686910, 51373820, 102747640]

約数ペア:

[(1, 102747640), (2, 51373820), (4, 25686910), (5, 20549528), (8, 12843455), (10, 10274764), (20, 5137382), (31, 3314440), (40, 2568691), (41, 2506040), (43, 2389480), (47, 2186120), (62, 1657220), (82, 1253020), (86, 1194740), (94, 1093060), (124, 828610), (155, 662888), (164, 626510), (172, 597370), (188, 546530), (205, 501208), (215, 477896), (235, 437224), (248, 414305), (310, 331444), (328, 313255), (344, 298685), (376, 273265), (410, 250604), (430, 238948), (470, 218612), (620, 165722), (820, 125302), (860, 119474), (940, 109306), (1240, 82861), (1271, 80840), (1333, 77080), (1457, 70520), (1640, 62651), (1720, 59737), (1763, 58280), (1880, 54653), (1927, 53320), (2021, 50840), (2542, 40420), (2666, 38540), (2914, 35260), (3526, 29140), (3854, 26660), (4042, 25420), (5084, 20210), (5332, 19270), (5828, 17630), (6355, 16168), (6665, 15416), (7052, 14570), (7285, 14104), (7708, 13330), (8084, 12710), (8815, 11656), (9635, 10664), (10105, 10168)]