129321960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9887}}^1$

素因数の和:10010

約数の個数: 64

約数和(自身を含む): 391564800

約数和(自身を除く): 262242840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2616, 3270, 4360, 6540, 9887, 13080, 19774, 29661, 39548, 49435, 59322, 79096, 98870, 118644, 148305, 197740, 237288, 296610, 395480, 593220, 1077683, 1186440, 2155366, 3233049, 4310732, 5388415, 6466098, 8621464, 10776830, 12932196, 16165245, 21553660, 25864392, 32330490, 43107320, 64660980, 129321960]

約数ペア:

[(1, 129321960), (2, 64660980), (3, 43107320), (4, 32330490), (5, 25864392), (6, 21553660), (8, 16165245), (10, 12932196), (12, 10776830), (15, 8621464), (20, 6466098), (24, 5388415), (30, 4310732), (40, 3233049), (60, 2155366), (109, 1186440), (120, 1077683), (218, 593220), (327, 395480), (436, 296610), (545, 237288), (654, 197740), (872, 148305), (1090, 118644), (1308, 98870), (1635, 79096), (2180, 59322), (2616, 49435), (3270, 39548), (4360, 29661), (6540, 19774), (9887, 13080)]