81501140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7369}}^1$

素因数の和:7464

約数の個数: 48

約数和(自身を含む): 198105600

約数和(自身を除く): 116604460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7369, 11060, 14738, 29476, 36845, 51583, 73690, 103166, 147380, 206332, 257915, 515830, 582151, 1031660, 1164302, 2328604, 2910755, 4075057, 5821510, 8150114, 11643020, 16300228, 20375285, 40750570, 81501140]

約数ペア:

[(1, 81501140), (2, 40750570), (4, 20375285), (5, 16300228), (7, 11643020), (10, 8150114), (14, 5821510), (20, 4075057), (28, 2910755), (35, 2328604), (70, 1164302), (79, 1031660), (140, 582151), (158, 515830), (316, 257915), (395, 206332), (553, 147380), (790, 103166), (1106, 73690), (1580, 51583), (2212, 36845), (2765, 29476), (5530, 14738), (7369, 11060)]