2156308980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5134069}}^1$

素因数の和:5134088

約数の個数: 48

約数和(自身を含む): 6900190080

約数和(自身を除く): 4743881100

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, 5134069, 10268138, 15402207, 20536276, 25670345, 30804414, 35938483, 51340690, 61608828, 71876966, 77011035, 102681380, 107815449, 143753932, 154022070, 179692415, 215630898, 308044140, 359384830, 431261796, 539077245, 718769660, 1078154490, 2156308980]

約数ペア:

[(1, 2156308980), (2, 1078154490), (3, 718769660), (4, 539077245), (5, 431261796), (6, 359384830), (7, 308044140), (10, 215630898), (12, 179692415), (14, 154022070), (15, 143753932), (20, 107815449), (21, 102681380), (28, 77011035), (30, 71876966), (35, 61608828), (42, 51340690), (60, 35938483), (70, 30804414), (84, 25670345), (105, 20536276), (140, 15402207), (210, 10268138), (420, 5134069)]