87272780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{839}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 209986560

約数和(自身を除く): 122713780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 743, 839, 1486, 1678, 2972, 3356, 3715, 4195, 5201, 5873, 7430, 8390, 10402, 11746, 14860, 16780, 20804, 23492, 26005, 29365, 52010, 58730, 104020, 117460, 623377, 1246754, 2493508, 3116885, 4363639, 6233770, 8727278, 12467540, 17454556, 21818195, 43636390, 87272780]

約数ペア:

[(1, 87272780), (2, 43636390), (4, 21818195), (5, 17454556), (7, 12467540), (10, 8727278), (14, 6233770), (20, 4363639), (28, 3116885), (35, 2493508), (70, 1246754), (140, 623377), (743, 117460), (839, 104020), (1486, 58730), (1678, 52010), (2972, 29365), (3356, 26005), (3715, 23492), (4195, 20804), (5201, 16780), (5873, 14860), (7430, 11746), (8390, 10402)]