891567440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7649}}^1$

素因数の和:7740

約数の個数: 80

約数和(自身を含む): 2185574400

約数和(自身を除く): 1294006960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 940, 1240, 1457, 1880, 2480, 2914, 3760, 5828, 7285, 7649, 11656, 14570, 15298, 23312, 29140, 30596, 38245, 58280, 61192, 76490, 116560, 122384, 152980, 237119, 305960, 359503, 474238, 611920, 719006, 948476, 1185595, 1438012, 1797515, 1896952, 2371190, 2876024, 3595030, 3793904, 4742380, 5752048, 7190060, 9484760, 11144593, 14380120, 18969520, 22289186, 28760240, 44578372, 55722965, 89156744, 111445930, 178313488, 222891860, 445783720, 891567440]

約数ペア:

[(1, 891567440), (2, 445783720), (4, 222891860), (5, 178313488), (8, 111445930), (10, 89156744), (16, 55722965), (20, 44578372), (31, 28760240), (40, 22289186), (47, 18969520), (62, 14380120), (80, 11144593), (94, 9484760), (124, 7190060), (155, 5752048), (188, 4742380), (235, 3793904), (248, 3595030), (310, 2876024), (376, 2371190), (470, 1896952), (496, 1797515), (620, 1438012), (752, 1185595), (940, 948476), (1240, 719006), (1457, 611920), (1880, 474238), (2480, 359503), (2914, 305960), (3760, 237119), (5828, 152980), (7285, 122384), (7649, 116560), (11656, 76490), (14570, 61192), (15298, 58280), (23312, 38245), (29140, 30596)]