72251620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{907}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 173900160

約数和(自身を除く): 101648540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 907, 1138, 1814, 2276, 2845, 3628, 3983, 4535, 5690, 6349, 7966, 9070, 11380, 12698, 15932, 18140, 19915, 25396, 31745, 39830, 63490, 79660, 126980, 516083, 1032166, 2064332, 2580415, 3612581, 5160830, 7225162, 10321660, 14450324, 18062905, 36125810, 72251620]

約数ペア:

[(1, 72251620), (2, 36125810), (4, 18062905), (5, 14450324), (7, 10321660), (10, 7225162), (14, 5160830), (20, 3612581), (28, 2580415), (35, 2064332), (70, 1032166), (140, 516083), (569, 126980), (907, 79660), (1138, 63490), (1814, 39830), (2276, 31745), (2845, 25396), (3628, 19915), (3983, 18140), (4535, 15932), (5690, 12698), (6349, 11380), (7966, 9070)]