68915560

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5023}}^1$

素因数の和:5055

約数の個数: 64

約数和(自身を含む): 180864000

約数和(自身を除く): 111948440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5023, 6860, 10046, 13720, 20092, 25115, 35161, 40184, 50230, 70322, 100460, 140644, 175805, 200920, 246127, 281288, 351610, 492254, 703220, 984508, 1230635, 1406440, 1722889, 1969016, 2461270, 3445778, 4922540, 6891556, 8614445, 9845080, 13783112, 17228890, 34457780, 68915560]

約数ペア:

[(1, 68915560), (2, 34457780), (4, 17228890), (5, 13783112), (7, 9845080), (8, 8614445), (10, 6891556), (14, 4922540), (20, 3445778), (28, 2461270), (35, 1969016), (40, 1722889), (49, 1406440), (56, 1230635), (70, 984508), (98, 703220), (140, 492254), (196, 351610), (245, 281288), (280, 246127), (343, 200920), (392, 175805), (490, 140644), (686, 100460), (980, 70322), (1372, 50230), (1715, 40184), (1960, 35161), (2744, 25115), (3430, 20092), (5023, 13720), (6860, 10046)]