28881160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9377}}^1$

素因数の和:9406

約数の個数: 64

約数和(自身を含む): 81025920

約数和(自身を除く): 52144760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9377, 18754, 37508, 46885, 65639, 75016, 93770, 103147, 131278, 187540, 206294, 262556, 328195, 375080, 412588, 515735, 525112, 656390, 722029, 825176, 1031470, 1312780, 1444058, 2062940, 2625560, 2888116, 3610145, 4125880, 5776232, 7220290, 14440580, 28881160]

約数ペア:

[(1, 28881160), (2, 14440580), (4, 7220290), (5, 5776232), (7, 4125880), (8, 3610145), (10, 2888116), (11, 2625560), (14, 2062940), (20, 1444058), (22, 1312780), (28, 1031470), (35, 825176), (40, 722029), (44, 656390), (55, 525112), (56, 515735), (70, 412588), (77, 375080), (88, 328195), (110, 262556), (140, 206294), (154, 187540), (220, 131278), (280, 103147), (308, 93770), (385, 75016), (440, 65639), (616, 46885), (770, 37508), (1540, 18754), (3080, 9377)]