31206690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 81502200

約数和(自身を除く): 50295510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 1289, 1345, 1614, 2421, 2578, 2690, 3867, 4035, 4842, 6445, 7734, 8070, 11601, 12105, 12890, 19335, 23202, 24210, 38670, 58005, 116010, 346741, 693482, 1040223, 1733705, 2080446, 3120669, 3467410, 5201115, 6241338, 10402230, 15603345, 31206690]

約数ペア:

[(1, 31206690), (2, 15603345), (3, 10402230), (5, 6241338), (6, 5201115), (9, 3467410), (10, 3120669), (15, 2080446), (18, 1733705), (30, 1040223), (45, 693482), (90, 346741), (269, 116010), (538, 58005), (807, 38670), (1289, 24210), (1345, 23202), (1614, 19335), (2421, 12890), (2578, 12105), (2690, 11601), (3867, 8070), (4035, 7734), (4842, 6445)]