1216711280

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{40129}}^1$

素因数の和:40521

約数の個数: 40

約数和(自身を含む): 2836388400

約数和(自身を除く): 1619677120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 15160, 30320, 40129, 80258, 160516, 200645, 321032, 401290, 642064, 802580, 1605160, 3210320, 15208891, 30417782, 60835564, 76044455, 121671128, 152088910, 243342256, 304177820, 608355640, 1216711280]

約数ペア:

[(1, 1216711280), (2, 608355640), (4, 304177820), (5, 243342256), (8, 152088910), (10, 121671128), (16, 76044455), (20, 60835564), (40, 30417782), (80, 15208891), (379, 3210320), (758, 1605160), (1516, 802580), (1895, 642064), (3032, 401290), (3790, 321032), (6064, 200645), (7580, 160516), (15160, 80258), (30320, 40129)]