7155640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 17130600

約数和(自身を除く): 9974960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 619, 680, 1156, 1238, 1445, 2312, 2476, 2890, 3095, 4952, 5780, 6190, 10523, 11560, 12380, 21046, 24760, 42092, 52615, 84184, 105230, 178891, 210460, 357782, 420920, 715564, 894455, 1431128, 1788910, 3577820, 7155640]

約数ペア:

[(1, 7155640), (2, 3577820), (4, 1788910), (5, 1431128), (8, 894455), (10, 715564), (17, 420920), (20, 357782), (34, 210460), (40, 178891), (68, 105230), (85, 84184), (136, 52615), (170, 42092), (289, 24760), (340, 21046), (578, 12380), (619, 11560), (680, 10523), (1156, 6190), (1238, 5780), (1445, 4952), (2312, 3095), (2476, 2890)]