890847680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{146521}}^1$

素因数の和:146557

約数の個数: 56

約数和(自身を含む): 2232995280

約数和(自身を除く): 1342147600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 146521, 293042, 586084, 732605, 1172168, 1465210, 2344336, 2783899, 2930420, 4688672, 5567798, 5860840, 9377344, 11135596, 11721680, 13919495, 22271192, 23443360, 27838990, 44542384, 46886720, 55677980, 89084768, 111355960, 178169536, 222711920, 445423840, 890847680]

約数ペア:

[(1, 890847680), (2, 445423840), (4, 222711920), (5, 178169536), (8, 111355960), (10, 89084768), (16, 55677980), (19, 46886720), (20, 44542384), (32, 27838990), (38, 23443360), (40, 22271192), (64, 13919495), (76, 11721680), (80, 11135596), (95, 9377344), (152, 5860840), (160, 5567798), (190, 4688672), (304, 2930420), (320, 2783899), (380, 2344336), (608, 1465210), (760, 1172168), (1216, 732605), (1520, 586084), (3040, 293042), (6080, 146521)]