1520121280

素因数分解:

$2^6\times 5^1\times {\mathrm{4750379}}^1$

素因数の和:4750396

約数の個数: 28

約数和(自身を含む): 3619789560

約数和(自身を除く): 2099668280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4750379, 9500758, 19001516, 23751895, 38003032, 47503790, 76006064, 95007580, 152012128, 190015160, 304024256, 380030320, 760060640, 1520121280]

約数ペア:

[(1, 1520121280), (2, 760060640), (4, 380030320), (5, 304024256), (8, 190015160), (10, 152012128), (16, 95007580), (20, 76006064), (32, 47503790), (40, 38003032), (64, 23751895), (80, 19001516), (160, 9500758), (320, 4750379)]