285220260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121889}}^1$

素因数の和:121917

約数の個数: 72

約数和(自身を含む): 931727160

約数和(自身を除く): 646506900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 121889, 243778, 365667, 487556, 609445, 731334, 1097001, 1218890, 1462668, 1584557, 1828335, 2194002, 2437780, 3169114, 3656670, 4388004, 4753671, 5485005, 6338228, 7313340, 7922785, 9507342, 10970010, 14261013, 15845570, 19014684, 21940020, 23768355, 28522026, 31691140, 47536710, 57044052, 71305065, 95073420, 142610130, 285220260]

約数ペア:

[(1, 285220260), (2, 142610130), (3, 95073420), (4, 71305065), (5, 57044052), (6, 47536710), (9, 31691140), (10, 28522026), (12, 23768355), (13, 21940020), (15, 19014684), (18, 15845570), (20, 14261013), (26, 10970010), (30, 9507342), (36, 7922785), (39, 7313340), (45, 6338228), (52, 5485005), (60, 4753671), (65, 4388004), (78, 3656670), (90, 3169114), (117, 2437780), (130, 2194002), (156, 1828335), (180, 1584557), (195, 1462668), (234, 1218890), (260, 1097001), (390, 731334), (468, 609445), (585, 487556), (780, 365667), (1170, 243778), (2340, 121889)]