15247640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1319}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 36471600

約数和(自身を除く): 21223960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1319, 1445, 2312, 2638, 2890, 5276, 5780, 6595, 10552, 11560, 13190, 22423, 26380, 44846, 52760, 89692, 112115, 179384, 224230, 381191, 448460, 762382, 896920, 1524764, 1905955, 3049528, 3811910, 7623820, 15247640]

約数ペア:

[(1, 15247640), (2, 7623820), (4, 3811910), (5, 3049528), (8, 1905955), (10, 1524764), (17, 896920), (20, 762382), (34, 448460), (40, 381191), (68, 224230), (85, 179384), (136, 112115), (170, 89692), (289, 52760), (340, 44846), (578, 26380), (680, 22423), (1156, 13190), (1319, 11560), (1445, 10552), (2312, 6595), (2638, 5780), (2890, 5276)]