80556900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1021}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 234193344

約数和(自身を除く): 153636444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 263, 300, 526, 789, 1021, 1052, 1315, 1578, 2042, 2630, 3063, 3156, 3945, 4084, 5105, 5260, 6126, 6575, 7890, 10210, 12252, 13150, 15315, 15780, 19725, 20420, 25525, 26300, 30630, 39450, 51050, 61260, 76575, 78900, 102100, 153150, 268523, 306300, 537046, 805569, 1074092, 1342615, 1611138, 2685230, 3222276, 4027845, 5370460, 6713075, 8055690, 13426150, 16111380, 20139225, 26852300, 40278450, 80556900]

約数ペア:

[(1, 80556900), (2, 40278450), (3, 26852300), (4, 20139225), (5, 16111380), (6, 13426150), (10, 8055690), (12, 6713075), (15, 5370460), (20, 4027845), (25, 3222276), (30, 2685230), (50, 1611138), (60, 1342615), (75, 1074092), (100, 805569), (150, 537046), (263, 306300), (300, 268523), (526, 153150), (789, 102100), (1021, 78900), (1052, 76575), (1315, 61260), (1578, 51050), (2042, 39450), (2630, 30630), (3063, 26300), (3156, 25525), (3945, 20420), (4084, 19725), (5105, 15780), (5260, 15315), (6126, 13150), (6575, 12252), (7890, 10210)]