31530780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2969}}^1$

素因数の和:3043

約数の個数: 72

約数和(自身を含む): 97297200

約数和(自身を除く): 65766420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 2969, 3540, 5310, 5938, 8907, 10620, 11876, 14845, 17814, 26721, 29690, 35628, 44535, 53442, 59380, 89070, 106884, 133605, 175171, 178140, 267210, 350342, 525513, 534420, 700684, 875855, 1051026, 1576539, 1751710, 2102052, 2627565, 3153078, 3503420, 5255130, 6306156, 7882695, 10510260, 15765390, 31530780]

約数ペア:

[(1, 31530780), (2, 15765390), (3, 10510260), (4, 7882695), (5, 6306156), (6, 5255130), (9, 3503420), (10, 3153078), (12, 2627565), (15, 2102052), (18, 1751710), (20, 1576539), (30, 1051026), (36, 875855), (45, 700684), (59, 534420), (60, 525513), (90, 350342), (118, 267210), (177, 178140), (180, 175171), (236, 133605), (295, 106884), (354, 89070), (531, 59380), (590, 53442), (708, 44535), (885, 35628), (1062, 29690), (1180, 26721), (1770, 17814), (2124, 14845), (2655, 11876), (2969, 10620), (3540, 8907), (5310, 5938)]