6561080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 15876000

約数和(自身を除く): 9314920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 97, 152, 178, 190, 194, 356, 380, 388, 445, 485, 712, 760, 776, 890, 970, 1691, 1780, 1843, 1940, 3382, 3560, 3686, 3880, 6764, 7372, 8455, 8633, 9215, 13528, 14744, 16910, 17266, 18430, 33820, 34532, 36860, 43165, 67640, 69064, 73720, 86330, 164027, 172660, 328054, 345320, 656108, 820135, 1312216, 1640270, 3280540, 6561080]

約数ペア:

[(1, 6561080), (2, 3280540), (4, 1640270), (5, 1312216), (8, 820135), (10, 656108), (19, 345320), (20, 328054), (38, 172660), (40, 164027), (76, 86330), (89, 73720), (95, 69064), (97, 67640), (152, 43165), (178, 36860), (190, 34532), (194, 33820), (356, 18430), (380, 17266), (388, 16910), (445, 14744), (485, 13528), (712, 9215), (760, 8633), (776, 8455), (890, 7372), (970, 6764), (1691, 3880), (1780, 3686), (1843, 3560), (1940, 3382)]