1375640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^3$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 3758400

約数和(自身を除く): 2382760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 289, 340, 476, 578, 595, 680, 952, 1156, 1190, 1445, 2023, 2312, 2380, 2890, 4046, 4760, 4913, 5780, 8092, 9826, 10115, 11560, 16184, 19652, 20230, 24565, 34391, 39304, 40460, 49130, 68782, 80920, 98260, 137564, 171955, 196520, 275128, 343910, 687820, 1375640]

約数ペア:

[(1, 1375640), (2, 687820), (4, 343910), (5, 275128), (7, 196520), (8, 171955), (10, 137564), (14, 98260), (17, 80920), (20, 68782), (28, 49130), (34, 40460), (35, 39304), (40, 34391), (56, 24565), (68, 20230), (70, 19652), (85, 16184), (119, 11560), (136, 10115), (140, 9826), (170, 8092), (238, 5780), (280, 4913), (289, 4760), (340, 4046), (476, 2890), (578, 2380), (595, 2312), (680, 2023), (952, 1445), (1156, 1190)]