31942980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4185

約数の個数: 72

約数和(自身を含む): 99171072

約数和(自身を除く): 67228092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 4127, 7740, 8254, 12381, 16508, 20635, 24762, 37143, 41270, 49524, 61905, 74286, 82540, 123810, 148572, 177461, 185715, 247620, 354922, 371430, 532383, 709844, 742860, 887305, 1064766, 1597149, 1774610, 2129532, 2661915, 3194298, 3549220, 5323830, 6388596, 7985745, 10647660, 15971490, 31942980]

約数ペア:

[(1, 31942980), (2, 15971490), (3, 10647660), (4, 7985745), (5, 6388596), (6, 5323830), (9, 3549220), (10, 3194298), (12, 2661915), (15, 2129532), (18, 1774610), (20, 1597149), (30, 1064766), (36, 887305), (43, 742860), (45, 709844), (60, 532383), (86, 371430), (90, 354922), (129, 247620), (172, 185715), (180, 177461), (215, 148572), (258, 123810), (387, 82540), (430, 74286), (516, 61905), (645, 49524), (774, 41270), (860, 37143), (1290, 24762), (1548, 20635), (1935, 16508), (2580, 12381), (3870, 8254), (4127, 7740)]