72137940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171757}}^1$

素因数の和:171776

約数の個数: 48

約数和(自身を含む): 230842752

約数和(自身を除く): 158704812

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, 171757, 343514, 515271, 687028, 858785, 1030542, 1202299, 1717570, 2061084, 2404598, 2576355, 3435140, 3606897, 4809196, 5152710, 6011495, 7213794, 10305420, 12022990, 14427588, 18034485, 24045980, 36068970, 72137940]

約数ペア:

[(1, 72137940), (2, 36068970), (3, 24045980), (4, 18034485), (5, 14427588), (6, 12022990), (7, 10305420), (10, 7213794), (12, 6011495), (14, 5152710), (15, 4809196), (20, 3606897), (21, 3435140), (28, 2576355), (30, 2404598), (35, 2061084), (42, 1717570), (60, 1202299), (70, 1030542), (84, 858785), (105, 687028), (140, 515271), (210, 343514), (420, 171757)]