72065420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11971}}^1$

素因数の和:12030

約数の個数: 48

約数和(自身を含む): 176994048

約数和(自身を除く): 104928628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 11971, 23942, 47884, 59855, 83797, 119710, 167594, 239420, 335188, 418985, 514753, 837970, 1029506, 1675940, 2059012, 2573765, 3603271, 5147530, 7206542, 10295060, 14413084, 18016355, 36032710, 72065420]

約数ペア:

[(1, 72065420), (2, 36032710), (4, 18016355), (5, 14413084), (7, 10295060), (10, 7206542), (14, 5147530), (20, 3603271), (28, 2573765), (35, 2059012), (43, 1675940), (70, 1029506), (86, 837970), (140, 514753), (172, 418985), (215, 335188), (301, 239420), (430, 167594), (602, 119710), (860, 83797), (1204, 59855), (1505, 47884), (3010, 23942), (6020, 11971)]