65766680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1217}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 170130240

約数和(自身を除く): 104363560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1217, 1351, 1544, 1930, 2434, 2702, 3860, 4868, 5404, 6085, 6755, 7720, 8519, 9736, 10808, 12170, 13510, 17038, 24340, 27020, 34076, 42595, 48680, 54040, 68152, 85190, 170380, 234881, 340760, 469762, 939524, 1174405, 1644167, 1879048, 2348810, 3288334, 4697620, 6576668, 8220835, 9395240, 13153336, 16441670, 32883340, 65766680]

約数ペア:

[(1, 65766680), (2, 32883340), (4, 16441670), (5, 13153336), (7, 9395240), (8, 8220835), (10, 6576668), (14, 4697620), (20, 3288334), (28, 2348810), (35, 1879048), (40, 1644167), (56, 1174405), (70, 939524), (140, 469762), (193, 340760), (280, 234881), (386, 170380), (772, 85190), (965, 68152), (1217, 54040), (1351, 48680), (1544, 42595), (1930, 34076), (2434, 27020), (2702, 24340), (3860, 17038), (4868, 13510), (5404, 12170), (6085, 10808), (6755, 9736), (7720, 8519)]