25721880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3104

約数の個数: 64

約数和(自身を含む): 78278400

約数和(自身を除く): 52556520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3019, 4260, 6038, 8520, 9057, 12076, 15095, 18114, 24152, 30190, 36228, 45285, 60380, 72456, 90570, 120760, 181140, 214349, 362280, 428698, 643047, 857396, 1071745, 1286094, 1714792, 2143490, 2572188, 3215235, 4286980, 5144376, 6430470, 8573960, 12860940, 25721880]

約数ペア:

[(1, 25721880), (2, 12860940), (3, 8573960), (4, 6430470), (5, 5144376), (6, 4286980), (8, 3215235), (10, 2572188), (12, 2143490), (15, 1714792), (20, 1286094), (24, 1071745), (30, 857396), (40, 643047), (60, 428698), (71, 362280), (120, 214349), (142, 181140), (213, 120760), (284, 90570), (355, 72456), (426, 60380), (568, 45285), (710, 36228), (852, 30190), (1065, 24152), (1420, 18114), (1704, 15095), (2130, 12076), (2840, 9057), (3019, 8520), (4260, 6038)]