78490560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{81761}}^1$

素因数の和:81781

約数の個数: 56

約数和(自身を含む): 249210576

約数和(自身を除く): 170720016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 81761, 163522, 245283, 327044, 408805, 490566, 654088, 817610, 981132, 1226415, 1308176, 1635220, 1962264, 2452830, 2616352, 3270440, 3924528, 4905660, 5232704, 6540880, 7849056, 9811320, 13081760, 15698112, 19622640, 26163520, 39245280, 78490560]

約数ペア:

[(1, 78490560), (2, 39245280), (3, 26163520), (4, 19622640), (5, 15698112), (6, 13081760), (8, 9811320), (10, 7849056), (12, 6540880), (15, 5232704), (16, 4905660), (20, 3924528), (24, 3270440), (30, 2616352), (32, 2452830), (40, 1962264), (48, 1635220), (60, 1308176), (64, 1226415), (80, 981132), (96, 817610), (120, 654088), (160, 490566), (192, 408805), (240, 327044), (320, 245283), (480, 163522), (960, 81761)]