131013540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103979}}^1$

素因数の和:104001

約数の個数: 72

約数和(自身を含む): 454184640

約数和(自身を除く): 323171100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 103979, 207958, 311937, 415916, 519895, 623874, 727853, 935811, 1039790, 1247748, 1455706, 1559685, 1871622, 2079580, 2183559, 2911412, 3119370, 3639265, 3743244, 4367118, 4679055, 6238740, 6550677, 7278530, 8734236, 9358110, 10917795, 13101354, 14557060, 18716220, 21835590, 26202708, 32753385, 43671180, 65506770, 131013540]

約数ペア:

[(1, 131013540), (2, 65506770), (3, 43671180), (4, 32753385), (5, 26202708), (6, 21835590), (7, 18716220), (9, 14557060), (10, 13101354), (12, 10917795), (14, 9358110), (15, 8734236), (18, 7278530), (20, 6550677), (21, 6238740), (28, 4679055), (30, 4367118), (35, 3743244), (36, 3639265), (42, 3119370), (45, 2911412), (60, 2183559), (63, 2079580), (70, 1871622), (84, 1559685), (90, 1455706), (105, 1247748), (126, 1039790), (140, 935811), (180, 727853), (210, 623874), (252, 519895), (315, 415916), (420, 311937), (630, 207958), (1260, 103979)]