311077920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{648079}}^1$

素因数の和:648097

約数の個数: 48

約数和(自身を含む): 979896960

約数和(自身を除く): 668819040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 648079, 1296158, 1944237, 2592316, 3240395, 3888474, 5184632, 6480790, 7776948, 9721185, 10369264, 12961580, 15553896, 19442370, 20738528, 25923160, 31107792, 38884740, 51846320, 62215584, 77769480, 103692640, 155538960, 311077920]

約数ペア:

[(1, 311077920), (2, 155538960), (3, 103692640), (4, 77769480), (5, 62215584), (6, 51846320), (8, 38884740), (10, 31107792), (12, 25923160), (15, 20738528), (16, 19442370), (20, 15553896), (24, 12961580), (30, 10369264), (32, 9721185), (40, 7776948), (48, 6480790), (60, 5184632), (80, 3888474), (96, 3240395), (120, 2592316), (160, 1944237), (240, 1296158), (480, 648079)]