87705760

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 127844960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 107, 109, 160, 188, 214, 218, 235, 376, 428, 436, 470, 535, 545, 752, 856, 872, 940, 1070, 1090, 1504, 1712, 1744, 1880, 2140, 2180, 3424, 3488, 3760, 4280, 4360, 5029, 5123, 7520, 8560, 8720, 10058, 10246, 11663, 17120, 17440, 20116, 20492, 23326, 25145, 25615, 40232, 40984, 46652, 50290, 51230, 58315, 80464, 81968, 93304, 100580, 102460, 116630, 160928, 163936, 186608, 201160, 204920, 233260, 373216, 402320, 409840, 466520, 548161, 804640, 819680, 933040, 1096322, 1866080, 2192644, 2740805, 4385288, 5481610, 8770576, 10963220, 17541152, 21926440, 43852880, 87705760]

約数ペア:

[(1, 87705760), (2, 43852880), (4, 21926440), (5, 17541152), (8, 10963220), (10, 8770576), (16, 5481610), (20, 4385288), (32, 2740805), (40, 2192644), (47, 1866080), (80, 1096322), (94, 933040), (107, 819680), (109, 804640), (160, 548161), (188, 466520), (214, 409840), (218, 402320), (235, 373216), (376, 233260), (428, 204920), (436, 201160), (470, 186608), (535, 163936), (545, 160928), (752, 116630), (856, 102460), (872, 100580), (940, 93304), (1070, 81968), (1090, 80464), (1504, 58315), (1712, 51230), (1744, 50290), (1880, 46652), (2140, 40984), (2180, 40232), (3424, 25615), (3488, 25145), (3760, 23326), (4280, 20492), (4360, 20116), (5029, 17440), (5123, 17120), (7520, 11663), (8560, 10246), (8720, 10058)]