131090220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11939}}^1$

素因数の和:12015

約数の個数: 72

約数和(自身を含む): 404192880

約数和(自身を除く): 273102660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 11939, 23878, 35817, 47756, 59695, 71634, 107451, 119390, 143268, 179085, 214902, 238780, 358170, 429804, 537255, 716340, 728279, 1074510, 1456558, 2149020, 2184837, 2913116, 3641395, 4369674, 6554511, 7282790, 8739348, 10924185, 13109022, 14565580, 21848370, 26218044, 32772555, 43696740, 65545110, 131090220]

約数ペア:

[(1, 131090220), (2, 65545110), (3, 43696740), (4, 32772555), (5, 26218044), (6, 21848370), (9, 14565580), (10, 13109022), (12, 10924185), (15, 8739348), (18, 7282790), (20, 6554511), (30, 4369674), (36, 3641395), (45, 2913116), (60, 2184837), (61, 2149020), (90, 1456558), (122, 1074510), (180, 728279), (183, 716340), (244, 537255), (305, 429804), (366, 358170), (549, 238780), (610, 214902), (732, 179085), (915, 143268), (1098, 119390), (1220, 107451), (1830, 71634), (2196, 59695), (2745, 47756), (3660, 35817), (5490, 23878), (10980, 11939)]