31882020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 93985920

約数和(自身を除く): 62103900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 73, 87, 116, 145, 146, 174, 219, 251, 290, 292, 348, 365, 435, 438, 502, 580, 730, 753, 870, 876, 1004, 1095, 1255, 1460, 1506, 1740, 2117, 2190, 2510, 3012, 3765, 4234, 4380, 5020, 6351, 7279, 7530, 8468, 10585, 12702, 14558, 15060, 18323, 21170, 21837, 25404, 29116, 31755, 36395, 36646, 42340, 43674, 54969, 63510, 72790, 73292, 87348, 91615, 109185, 109938, 127020, 145580, 183230, 218370, 219876, 274845, 366460, 436740, 531367, 549690, 1062734, 1099380, 1594101, 2125468, 2656835, 3188202, 5313670, 6376404, 7970505, 10627340, 15941010, 31882020]

約数ペア:

[(1, 31882020), (2, 15941010), (3, 10627340), (4, 7970505), (5, 6376404), (6, 5313670), (10, 3188202), (12, 2656835), (15, 2125468), (20, 1594101), (29, 1099380), (30, 1062734), (58, 549690), (60, 531367), (73, 436740), (87, 366460), (116, 274845), (145, 219876), (146, 218370), (174, 183230), (219, 145580), (251, 127020), (290, 109938), (292, 109185), (348, 91615), (365, 87348), (435, 73292), (438, 72790), (502, 63510), (580, 54969), (730, 43674), (753, 42340), (870, 36646), (876, 36395), (1004, 31755), (1095, 29116), (1255, 25404), (1460, 21837), (1506, 21170), (1740, 18323), (2117, 15060), (2190, 14558), (2510, 12702), (3012, 10585), (3765, 8468), (4234, 7530), (4380, 7279), (5020, 6351)]