647389620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{124021}}^1$

素因数の和:124065

約数の個数: 72

約数和(自身を含む): 2031480360

約数和(自身を除く): 1384090740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 124021, 248042, 372063, 496084, 620105, 744126, 1116189, 1240210, 1488252, 1860315, 2232378, 2480420, 3596609, 3720630, 4464756, 5580945, 7193218, 7441260, 10789827, 11161890, 14386436, 17983045, 21579654, 22323780, 32369481, 35966090, 43159308, 53949135, 64738962, 71932180, 107898270, 129477924, 161847405, 215796540, 323694810, 647389620]

約数ペア:

[(1, 647389620), (2, 323694810), (3, 215796540), (4, 161847405), (5, 129477924), (6, 107898270), (9, 71932180), (10, 64738962), (12, 53949135), (15, 43159308), (18, 35966090), (20, 32369481), (29, 22323780), (30, 21579654), (36, 17983045), (45, 14386436), (58, 11161890), (60, 10789827), (87, 7441260), (90, 7193218), (116, 5580945), (145, 4464756), (174, 3720630), (180, 3596609), (261, 2480420), (290, 2232378), (348, 1860315), (435, 1488252), (522, 1240210), (580, 1116189), (870, 744126), (1044, 620105), (1305, 496084), (1740, 372063), (2610, 248042), (5220, 124021)]