31684980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12281}}^1$

素因数の和:12336

約数の個数: 48

約数和(自身を含む): 90788544

約数和(自身を除く): 59103564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 12281, 24562, 36843, 49124, 61405, 73686, 122810, 147372, 184215, 245620, 368430, 528083, 736860, 1056166, 1584249, 2112332, 2640415, 3168498, 5280830, 6336996, 7921245, 10561660, 15842490, 31684980]

約数ペア:

[(1, 31684980), (2, 15842490), (3, 10561660), (4, 7921245), (5, 6336996), (6, 5280830), (10, 3168498), (12, 2640415), (15, 2112332), (20, 1584249), (30, 1056166), (43, 736860), (60, 528083), (86, 368430), (129, 245620), (172, 184215), (215, 147372), (258, 122810), (430, 73686), (516, 61405), (645, 49124), (860, 36843), (1290, 24562), (2580, 12281)]