64831290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20981}}^1$

素因数の和:21094

約数の個数: 32

約数和(自身を含む): 157113216

約数和(自身を除く): 92281926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 20981, 41962, 62943, 104905, 125886, 209810, 314715, 629430, 2161043, 4322086, 6483129, 10805215, 12966258, 21610430, 32415645, 64831290]

約数ペア:

[(1, 64831290), (2, 32415645), (3, 21610430), (5, 12966258), (6, 10805215), (10, 6483129), (15, 4322086), (30, 2161043), (103, 629430), (206, 314715), (309, 209810), (515, 125886), (618, 104905), (1030, 62943), (1545, 41962), (3090, 20981)]