15747440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11579}}^1$

素因数の和:11609

約数の個数: 40

約数和(自身を含む): 38769840

約数和(自身を除く): 23022400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11579, 23158, 46316, 57895, 92632, 115790, 185264, 196843, 231580, 393686, 463160, 787372, 926320, 984215, 1574744, 1968430, 3149488, 3936860, 7873720, 15747440]

約数ペア:

[(1, 15747440), (2, 7873720), (4, 3936860), (5, 3149488), (8, 1968430), (10, 1574744), (16, 984215), (17, 926320), (20, 787372), (34, 463160), (40, 393686), (68, 231580), (80, 196843), (85, 185264), (136, 115790), (170, 92632), (272, 57895), (340, 46316), (680, 23158), (1360, 11579)]