261902640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1091261}}^1$

素因数の和:1091277

約数の個数: 40

約数和(自身を含む): 811898928

約数和(自身を除く): 549996288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1091261, 2182522, 3273783, 4365044, 5456305, 6547566, 8730088, 10912610, 13095132, 16368915, 17460176, 21825220, 26190264, 32737830, 43650440, 52380528, 65475660, 87300880, 130951320, 261902640]

約数ペア:

[(1, 261902640), (2, 130951320), (3, 87300880), (4, 65475660), (5, 52380528), (6, 43650440), (8, 32737830), (10, 26190264), (12, 21825220), (15, 17460176), (16, 16368915), (20, 13095132), (24, 10912610), (30, 8730088), (40, 6547566), (48, 5456305), (60, 4365044), (80, 3273783), (120, 2182522), (240, 1091261)]