28642620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28081}}^1$

素因数の和:28110

約数の個数: 48

約数和(自身を含む): 84919968

約数和(自身を除く): 56277348

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, 28081, 56162, 84243, 112324, 140405, 168486, 280810, 336972, 421215, 477377, 561620, 842430, 954754, 1432131, 1684860, 1909508, 2386885, 2864262, 4773770, 5728524, 7160655, 9547540, 14321310, 28642620]

約数ペア:

[(1, 28642620), (2, 14321310), (3, 9547540), (4, 7160655), (5, 5728524), (6, 4773770), (10, 2864262), (12, 2386885), (15, 1909508), (17, 1684860), (20, 1432131), (30, 954754), (34, 842430), (51, 561620), (60, 477377), (68, 421215), (85, 336972), (102, 280810), (170, 168486), (204, 140405), (255, 112324), (340, 84243), (510, 56162), (1020, 28081)]