31155930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:916

約数の個数: 96

約数和(自身を含む): 90155520

約数和(自身を除く): 58999590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 859, 930, 1170, 1209, 1395, 1718, 2015, 2418, 2577, 2790, 3627, 4030, 4295, 5154, 6045, 7254, 7731, 8590, 11167, 12090, 12885, 15462, 18135, 22334, 25770, 26629, 33501, 36270, 38655, 53258, 55835, 67002, 77310, 79887, 100503, 111670, 133145, 159774, 167505, 201006, 239661, 266290, 335010, 346177, 399435, 479322, 502515, 692354, 798870, 1005030, 1038531, 1198305, 1730885, 2077062, 2396610, 3115593, 3461770, 5192655, 6231186, 10385310, 15577965, 31155930]

約数ペア:

[(1, 31155930), (2, 15577965), (3, 10385310), (5, 6231186), (6, 5192655), (9, 3461770), (10, 3115593), (13, 2396610), (15, 2077062), (18, 1730885), (26, 1198305), (30, 1038531), (31, 1005030), (39, 798870), (45, 692354), (62, 502515), (65, 479322), (78, 399435), (90, 346177), (93, 335010), (117, 266290), (130, 239661), (155, 201006), (186, 167505), (195, 159774), (234, 133145), (279, 111670), (310, 100503), (390, 79887), (403, 77310), (465, 67002), (558, 55835), (585, 53258), (806, 38655), (859, 36270), (930, 33501), (1170, 26629), (1209, 25770), (1395, 22334), (1718, 18135), (2015, 15462), (2418, 12885), (2577, 12090), (2790, 11167), (3627, 8590), (4030, 7731), (4295, 7254), (5154, 6045)]