153968720

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17987}}^1$

素因数の和:18107

約数の個数: 40

約数和(自身を含む): 361342944

約数和(自身を除く): 207374224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 17987, 35974, 71948, 89935, 143896, 179870, 287792, 359740, 719480, 1438960, 1924609, 3849218, 7698436, 9623045, 15396872, 19246090, 30793744, 38492180, 76984360, 153968720]

約数ペア:

[(1, 153968720), (2, 76984360), (4, 38492180), (5, 30793744), (8, 19246090), (10, 15396872), (16, 9623045), (20, 7698436), (40, 3849218), (80, 1924609), (107, 1438960), (214, 719480), (428, 359740), (535, 287792), (856, 179870), (1070, 143896), (1712, 89935), (2140, 71948), (4280, 35974), (8560, 17987)]