30909540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6521}}^1$

素因数の和:6612

約数の個数: 48

約数和(自身を含む): 87655680

約数和(自身を除く): 56746140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 6521, 13042, 19563, 26084, 32605, 39126, 65210, 78252, 97815, 130420, 195630, 391260, 515159, 1030318, 1545477, 2060636, 2575795, 3090954, 5151590, 6181908, 7727385, 10303180, 15454770, 30909540]

約数ペア:

[(1, 30909540), (2, 15454770), (3, 10303180), (4, 7727385), (5, 6181908), (6, 5151590), (10, 3090954), (12, 2575795), (15, 2060636), (20, 1545477), (30, 1030318), (60, 515159), (79, 391260), (158, 195630), (237, 130420), (316, 97815), (395, 78252), (474, 65210), (790, 39126), (948, 32605), (1185, 26084), (1580, 19563), (2370, 13042), (4740, 6521)]