261651480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5059}}^1$

素因数の和:5504

約数の個数: 64

約数和(自身を含む): 786931200

約数和(自身を除く): 525279720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5059, 5172, 6465, 8620, 10118, 10344, 12930, 15177, 17240, 20236, 25295, 25860, 30354, 40472, 50590, 51720, 60708, 75885, 101180, 121416, 151770, 202360, 303540, 607080, 2180429, 4360858, 6541287, 8721716, 10902145, 13082574, 17443432, 21804290, 26165148, 32706435, 43608580, 52330296, 65412870, 87217160, 130825740, 261651480]

約数ペア:

[(1, 261651480), (2, 130825740), (3, 87217160), (4, 65412870), (5, 52330296), (6, 43608580), (8, 32706435), (10, 26165148), (12, 21804290), (15, 17443432), (20, 13082574), (24, 10902145), (30, 8721716), (40, 6541287), (60, 4360858), (120, 2180429), (431, 607080), (862, 303540), (1293, 202360), (1724, 151770), (2155, 121416), (2586, 101180), (3448, 75885), (4310, 60708), (5059, 51720), (5172, 50590), (6465, 40472), (8620, 30354), (10118, 25860), (10344, 25295), (12930, 20236), (15177, 17240)]