31069980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{2131}}^1$

素因数の和:2158

約数の個数: 84

約数和(自身を含む): 97871592

約数和(自身を除く): 66801612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2131, 2430, 2916, 3645, 4262, 4860, 6393, 7290, 8524, 10655, 12786, 14580, 19179, 21310, 25572, 31965, 38358, 42620, 57537, 63930, 76716, 95895, 115074, 127860, 172611, 191790, 230148, 287685, 345222, 383580, 517833, 575370, 690444, 863055, 1035666, 1150740, 1553499, 1726110, 2071332, 2589165, 3106998, 3452220, 5178330, 6213996, 7767495, 10356660, 15534990, 31069980]

約数ペア:

[(1, 31069980), (2, 15534990), (3, 10356660), (4, 7767495), (5, 6213996), (6, 5178330), (9, 3452220), (10, 3106998), (12, 2589165), (15, 2071332), (18, 1726110), (20, 1553499), (27, 1150740), (30, 1035666), (36, 863055), (45, 690444), (54, 575370), (60, 517833), (81, 383580), (90, 345222), (108, 287685), (135, 230148), (162, 191790), (180, 172611), (243, 127860), (270, 115074), (324, 95895), (405, 76716), (486, 63930), (540, 57537), (729, 42620), (810, 38358), (972, 31965), (1215, 25572), (1458, 21310), (1620, 19179), (2131, 14580), (2430, 12786), (2916, 10655), (3645, 8524), (4262, 7290), (4860, 6393)]