921378420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19463}}^1$

素因数の和:19741

約数の個数: 72

約数和(自身を含む): 2805618816

約数和(自身を除く): 1884240396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 789, 1052, 1315, 1578, 2367, 2630, 3156, 3945, 4734, 5260, 7890, 9468, 11835, 15780, 19463, 23670, 38926, 47340, 58389, 77852, 97315, 116778, 175167, 194630, 233556, 291945, 350334, 389260, 583890, 700668, 875835, 1167780, 1751670, 3503340, 5118769, 10237538, 15356307, 20475076, 25593845, 30712614, 46068921, 51187690, 61425228, 76781535, 92137842, 102375380, 153563070, 184275684, 230344605, 307126140, 460689210, 921378420]

約数ペア:

[(1, 921378420), (2, 460689210), (3, 307126140), (4, 230344605), (5, 184275684), (6, 153563070), (9, 102375380), (10, 92137842), (12, 76781535), (15, 61425228), (18, 51187690), (20, 46068921), (30, 30712614), (36, 25593845), (45, 20475076), (60, 15356307), (90, 10237538), (180, 5118769), (263, 3503340), (526, 1751670), (789, 1167780), (1052, 875835), (1315, 700668), (1578, 583890), (2367, 389260), (2630, 350334), (3156, 291945), (3945, 233556), (4734, 194630), (5260, 175167), (7890, 116778), (9468, 97315), (11835, 77852), (15780, 58389), (19463, 47340), (23670, 38926)]