15519640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 38296800

約数和(自身を除く): 22777160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 787, 986, 1160, 1574, 1972, 2465, 3148, 3935, 3944, 4930, 6296, 7870, 9860, 13379, 15740, 19720, 22823, 26758, 31480, 45646, 53516, 66895, 91292, 107032, 114115, 133790, 182584, 228230, 267580, 387991, 456460, 535160, 775982, 912920, 1551964, 1939955, 3103928, 3879910, 7759820, 15519640]

約数ペア:

[(1, 15519640), (2, 7759820), (4, 3879910), (5, 3103928), (8, 1939955), (10, 1551964), (17, 912920), (20, 775982), (29, 535160), (34, 456460), (40, 387991), (58, 267580), (68, 228230), (85, 182584), (116, 133790), (136, 114115), (145, 107032), (170, 91292), (232, 66895), (290, 53516), (340, 45646), (493, 31480), (580, 26758), (680, 22823), (787, 19720), (986, 15740), (1160, 13379), (1574, 9860), (1972, 7870), (2465, 6296), (3148, 4930), (3935, 3944)]