15431240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2102

約数の個数: 64

約数和(自身を含む): 40124160

約数和(自身を除く): 24692920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2063, 3740, 4126, 7480, 8252, 10315, 16504, 20630, 22693, 35071, 41260, 45386, 70142, 82520, 90772, 113465, 140284, 175355, 181544, 226930, 280568, 350710, 385781, 453860, 701420, 771562, 907720, 1402840, 1543124, 1928905, 3086248, 3857810, 7715620, 15431240]

約数ペア:

[(1, 15431240), (2, 7715620), (4, 3857810), (5, 3086248), (8, 1928905), (10, 1543124), (11, 1402840), (17, 907720), (20, 771562), (22, 701420), (34, 453860), (40, 385781), (44, 350710), (55, 280568), (68, 226930), (85, 181544), (88, 175355), (110, 140284), (136, 113465), (170, 90772), (187, 82520), (220, 70142), (340, 45386), (374, 41260), (440, 35071), (680, 22693), (748, 20630), (935, 16504), (1496, 10315), (1870, 8252), (2063, 7480), (3740, 4126)]