261719010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{415427}}^1$

素因数の和:415447

約数の個数: 48

約数和(自身を含む): 777681216

約数和(自身を除く): 515962206

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 415427, 830854, 1246281, 2077135, 2492562, 2907989, 3738843, 4154270, 5815978, 6231405, 7477686, 8723967, 12462810, 14539945, 17447934, 18694215, 26171901, 29079890, 37388430, 43619835, 52343802, 87239670, 130859505, 261719010]

約数ペア:

[(1, 261719010), (2, 130859505), (3, 87239670), (5, 52343802), (6, 43619835), (7, 37388430), (9, 29079890), (10, 26171901), (14, 18694215), (15, 17447934), (18, 14539945), (21, 12462810), (30, 8723967), (35, 7477686), (42, 6231405), (45, 5815978), (63, 4154270), (70, 3738843), (90, 2907989), (105, 2492562), (126, 2077135), (210, 1246281), (315, 830854), (630, 415427)]