31420260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1009}}^1$

素因数の和:1197

約数の個数: 72

約数和(自身を含む): 95954040

約数和(自身を除く): 64533780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1009, 1038, 1557, 1730, 2018, 2076, 2595, 3027, 3114, 3460, 4036, 5045, 5190, 6054, 6228, 7785, 9081, 10090, 10380, 12108, 15135, 15570, 18162, 20180, 30270, 31140, 36324, 45405, 60540, 90810, 174557, 181620, 349114, 523671, 698228, 872785, 1047342, 1571013, 1745570, 2094684, 2618355, 3142026, 3491140, 5236710, 6284052, 7855065, 10473420, 15710130, 31420260]

約数ペア:

[(1, 31420260), (2, 15710130), (3, 10473420), (4, 7855065), (5, 6284052), (6, 5236710), (9, 3491140), (10, 3142026), (12, 2618355), (15, 2094684), (18, 1745570), (20, 1571013), (30, 1047342), (36, 872785), (45, 698228), (60, 523671), (90, 349114), (173, 181620), (180, 174557), (346, 90810), (519, 60540), (692, 45405), (865, 36324), (1009, 31140), (1038, 30270), (1557, 20180), (1730, 18162), (2018, 15570), (2076, 15135), (2595, 12108), (3027, 10380), (3114, 10090), (3460, 9081), (4036, 7785), (5045, 6228), (5190, 6054)]