31383540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 96445440

約数和(自身を除く): 65061900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2207, 2370, 2844, 3555, 4414, 4740, 6621, 7110, 8828, 11035, 13242, 14220, 19863, 22070, 26484, 33105, 39726, 44140, 66210, 79452, 99315, 132420, 174353, 198630, 348706, 397260, 523059, 697412, 871765, 1046118, 1569177, 1743530, 2092236, 2615295, 3138354, 3487060, 5230590, 6276708, 7845885, 10461180, 15691770, 31383540]

約数ペア:

[(1, 31383540), (2, 15691770), (3, 10461180), (4, 7845885), (5, 6276708), (6, 5230590), (9, 3487060), (10, 3138354), (12, 2615295), (15, 2092236), (18, 1743530), (20, 1569177), (30, 1046118), (36, 871765), (45, 697412), (60, 523059), (79, 397260), (90, 348706), (158, 198630), (180, 174353), (237, 132420), (316, 99315), (395, 79452), (474, 66210), (711, 44140), (790, 39726), (948, 33105), (1185, 26484), (1422, 22070), (1580, 19863), (2207, 14220), (2370, 13242), (2844, 11035), (3555, 8828), (4414, 7110), (4740, 6621)]