1520931320

素因数分解:

$2^3\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{11213}}^1$

素因数の和:14615

約数の個数: 32

約数和(自身を含む): 3423409920

約数和(自身を除く): 1902478600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3391, 6782, 11213, 13564, 16955, 22426, 27128, 33910, 44852, 56065, 67820, 89704, 112130, 135640, 224260, 448520, 38023283, 76046566, 152093132, 190116415, 304186264, 380232830, 760465660, 1520931320]

約数ペア:

[(1, 1520931320), (2, 760465660), (4, 380232830), (5, 304186264), (8, 190116415), (10, 152093132), (20, 76046566), (40, 38023283), (3391, 448520), (6782, 224260), (11213, 135640), (13564, 112130), (16955, 89704), (22426, 67820), (27128, 56065), (33910, 44852)]