15121840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11119}}^1$

素因数の和:11149

約数の個数: 40

約数和(自身を含む): 37229760

約数和(自身を除く): 22107920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11119, 22238, 44476, 55595, 88952, 111190, 177904, 189023, 222380, 378046, 444760, 756092, 889520, 945115, 1512184, 1890230, 3024368, 3780460, 7560920, 15121840]

約数ペア:

[(1, 15121840), (2, 7560920), (4, 3780460), (5, 3024368), (8, 1890230), (10, 1512184), (16, 945115), (17, 889520), (20, 756092), (34, 444760), (40, 378046), (68, 222380), (80, 189023), (85, 177904), (136, 111190), (170, 88952), (272, 55595), (340, 44476), (680, 22238), (1360, 11119)]