142524760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{977}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 367571520

約数和(自身を除く): 225046760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 977, 1042, 1954, 2084, 2605, 3647, 3908, 4168, 4885, 5210, 6839, 7294, 7816, 9770, 10420, 13678, 14588, 18235, 19540, 20840, 27356, 29176, 34195, 36470, 39080, 54712, 68390, 72940, 136780, 145880, 273560, 509017, 1018034, 2036068, 2545085, 3563119, 4072136, 5090170, 7126238, 10180340, 14252476, 17815595, 20360680, 28504952, 35631190, 71262380, 142524760]

約数ペア:

[(1, 142524760), (2, 71262380), (4, 35631190), (5, 28504952), (7, 20360680), (8, 17815595), (10, 14252476), (14, 10180340), (20, 7126238), (28, 5090170), (35, 4072136), (40, 3563119), (56, 2545085), (70, 2036068), (140, 1018034), (280, 509017), (521, 273560), (977, 145880), (1042, 136780), (1954, 72940), (2084, 68390), (2605, 54712), (3647, 39080), (3908, 36470), (4168, 34195), (4885, 29176), (5210, 27356), (6839, 20840), (7294, 19540), (7816, 18235), (9770, 14588), (10420, 13678)]