15120640

素因数分解:

$2^8\times 5^1\times {\mathrm{11813}}^1$

素因数の和:11834

約数の個数: 36

約数和(自身を含む): 36221724

約数和(自身を除く): 21101084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 11813, 23626, 47252, 59065, 94504, 118130, 189008, 236260, 378016, 472520, 756032, 945040, 1512064, 1890080, 3024128, 3780160, 7560320, 15120640]

約数ペア:

[(1, 15120640), (2, 7560320), (4, 3780160), (5, 3024128), (8, 1890080), (10, 1512064), (16, 945040), (20, 756032), (32, 472520), (40, 378016), (64, 236260), (80, 189008), (128, 118130), (160, 94504), (256, 59065), (320, 47252), (640, 23626), (1280, 11813)]