156695660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1973}}^1$

素因数の和:2031

約数の個数: 72

約数和(自身を含む): 379055376

約数和(自身を除く): 222359716

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1045, 1444, 1805, 1973, 2090, 3610, 3946, 3971, 4180, 7220, 7892, 7942, 9865, 15884, 19730, 19855, 21703, 37487, 39460, 39710, 43406, 74974, 79420, 86812, 108515, 149948, 187435, 217030, 374870, 412357, 434060, 712253, 749740, 824714, 1424506, 1649428, 2061785, 2849012, 3561265, 4123570, 7122530, 7834783, 8247140, 14245060, 15669566, 31339132, 39173915, 78347830, 156695660]

約数ペア:

[(1, 156695660), (2, 78347830), (4, 39173915), (5, 31339132), (10, 15669566), (11, 14245060), (19, 8247140), (20, 7834783), (22, 7122530), (38, 4123570), (44, 3561265), (55, 2849012), (76, 2061785), (95, 1649428), (110, 1424506), (190, 824714), (209, 749740), (220, 712253), (361, 434060), (380, 412357), (418, 374870), (722, 217030), (836, 187435), (1045, 149948), (1444, 108515), (1805, 86812), (1973, 79420), (2090, 74974), (3610, 43406), (3946, 39710), (3971, 39460), (4180, 37487), (7220, 21703), (7892, 19855), (7942, 19730), (9865, 15884)]