31797780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75709}}^1$

素因数の和:75728

約数の個数: 48

約数和(自身を含む): 101754240

約数和(自身を除く): 69956460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 75709, 151418, 227127, 302836, 378545, 454254, 529963, 757090, 908508, 1059926, 1135635, 1514180, 1589889, 2119852, 2271270, 2649815, 3179778, 4542540, 5299630, 6359556, 7949445, 10599260, 15898890, 31797780]

約数ペア:

[(1, 31797780), (2, 15898890), (3, 10599260), (4, 7949445), (5, 6359556), (6, 5299630), (7, 4542540), (10, 3179778), (12, 2649815), (14, 2271270), (15, 2119852), (20, 1589889), (21, 1514180), (28, 1135635), (30, 1059926), (35, 908508), (42, 757090), (60, 529963), (70, 454254), (84, 378545), (105, 302836), (140, 227127), (210, 151418), (420, 75709)]