90757980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6907}}^1$

素因数の和:6995

約数の個数: 72

約数和(自身を含む): 279110832

約数和(自身を除く): 188352852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 6907, 13140, 13814, 20721, 27628, 34535, 41442, 62163, 69070, 82884, 103605, 124326, 138140, 207210, 248652, 310815, 414420, 504211, 621630, 1008422, 1243260, 1512633, 2016844, 2521055, 3025266, 4537899, 5042110, 6050532, 7563165, 9075798, 10084220, 15126330, 18151596, 22689495, 30252660, 45378990, 90757980]

約数ペア:

[(1, 90757980), (2, 45378990), (3, 30252660), (4, 22689495), (5, 18151596), (6, 15126330), (9, 10084220), (10, 9075798), (12, 7563165), (15, 6050532), (18, 5042110), (20, 4537899), (30, 3025266), (36, 2521055), (45, 2016844), (60, 1512633), (73, 1243260), (90, 1008422), (146, 621630), (180, 504211), (219, 414420), (292, 310815), (365, 248652), (438, 207210), (657, 138140), (730, 124326), (876, 103605), (1095, 82884), (1314, 69070), (1460, 62163), (2190, 41442), (2628, 34535), (3285, 27628), (4380, 20721), (6570, 13814), (6907, 13140)]