15746420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 36242640

約数和(自身を除く): 20496220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1597, 1972, 2465, 3194, 4930, 6388, 7985, 9860, 15970, 27149, 31940, 46313, 54298, 92626, 108596, 135745, 185252, 231565, 271490, 463130, 542980, 787321, 926260, 1574642, 3149284, 3936605, 7873210, 15746420]

約数ペア:

[(1, 15746420), (2, 7873210), (4, 3936605), (5, 3149284), (10, 1574642), (17, 926260), (20, 787321), (29, 542980), (34, 463130), (58, 271490), (68, 231565), (85, 185252), (116, 135745), (145, 108596), (170, 92626), (290, 54298), (340, 46313), (493, 31940), (580, 27149), (986, 15970), (1597, 9860), (1972, 7985), (2465, 6388), (3194, 4930)]