30888760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1156

約数の個数: 64

約数和(自身を含む): 80248320

約数和(自身を除く): 49359560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 856, 1031, 1070, 1498, 2062, 2140, 2996, 3745, 4124, 4280, 5155, 5992, 7217, 7490, 8248, 10310, 14434, 14980, 20620, 28868, 29960, 36085, 41240, 57736, 72170, 110317, 144340, 220634, 288680, 441268, 551585, 772219, 882536, 1103170, 1544438, 2206340, 3088876, 3861095, 4412680, 6177752, 7722190, 15444380, 30888760]

約数ペア:

[(1, 30888760), (2, 15444380), (4, 7722190), (5, 6177752), (7, 4412680), (8, 3861095), (10, 3088876), (14, 2206340), (20, 1544438), (28, 1103170), (35, 882536), (40, 772219), (56, 551585), (70, 441268), (107, 288680), (140, 220634), (214, 144340), (280, 110317), (428, 72170), (535, 57736), (749, 41240), (856, 36085), (1031, 29960), (1070, 28868), (1498, 20620), (2062, 14980), (2140, 14434), (2996, 10310), (3745, 8248), (4124, 7490), (4280, 7217), (5155, 5992)]