131546640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17681}}^1$

素因数の和:17728

約数の個数: 80

約数和(自身を含む): 420973056

約数和(自身を除く): 289426416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 17681, 35362, 53043, 70724, 88405, 106086, 141448, 176810, 212172, 265215, 282896, 353620, 424344, 530430, 548111, 707240, 848688, 1060860, 1096222, 1414480, 1644333, 2121720, 2192444, 2740555, 3288666, 4243440, 4384888, 5481110, 6577332, 8221665, 8769776, 10962220, 13154664, 16443330, 21924440, 26309328, 32886660, 43848880, 65773320, 131546640]

約数ペア:

[(1, 131546640), (2, 65773320), (3, 43848880), (4, 32886660), (5, 26309328), (6, 21924440), (8, 16443330), (10, 13154664), (12, 10962220), (15, 8769776), (16, 8221665), (20, 6577332), (24, 5481110), (30, 4384888), (31, 4243440), (40, 3288666), (48, 2740555), (60, 2192444), (62, 2121720), (80, 1644333), (93, 1414480), (120, 1096222), (124, 1060860), (155, 848688), (186, 707240), (240, 548111), (248, 530430), (310, 424344), (372, 353620), (465, 282896), (496, 265215), (620, 212172), (744, 176810), (930, 141448), (1240, 106086), (1488, 88405), (1860, 70724), (2480, 53043), (3720, 35362), (7440, 17681)]