1561620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 4632768

約数和(自身を除く): 3071148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1531, 3062, 4593, 6124, 7655, 9186, 15310, 18372, 22965, 26027, 30620, 45930, 52054, 78081, 91860, 104108, 130135, 156162, 260270, 312324, 390405, 520540, 780810, 1561620]

約数ペア:

[(1, 1561620), (2, 780810), (3, 520540), (4, 390405), (5, 312324), (6, 260270), (10, 156162), (12, 130135), (15, 104108), (17, 91860), (20, 78081), (30, 52054), (34, 45930), (51, 30620), (60, 26027), (68, 22965), (85, 18372), (102, 15310), (170, 9186), (204, 7655), (255, 6124), (340, 4593), (510, 3062), (1020, 1531)]