128580720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11399}}^1$

素因数の和:11462

約数の個数: 80

約数和(自身を含む): 407116800

約数和(自身を除く): 278536080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 11399, 22798, 34197, 45596, 56995, 68394, 91192, 113990, 136788, 170985, 182384, 227980, 273576, 341970, 455960, 535753, 547152, 683940, 911920, 1071506, 1367880, 1607259, 2143012, 2678765, 2735760, 3214518, 4286024, 5357530, 6429036, 8036295, 8572048, 10715060, 12858072, 16072590, 21430120, 25716144, 32145180, 42860240, 64290360, 128580720]

約数ペア:

[(1, 128580720), (2, 64290360), (3, 42860240), (4, 32145180), (5, 25716144), (6, 21430120), (8, 16072590), (10, 12858072), (12, 10715060), (15, 8572048), (16, 8036295), (20, 6429036), (24, 5357530), (30, 4286024), (40, 3214518), (47, 2735760), (48, 2678765), (60, 2143012), (80, 1607259), (94, 1367880), (120, 1071506), (141, 911920), (188, 683940), (235, 547152), (240, 535753), (282, 455960), (376, 341970), (470, 273576), (564, 227980), (705, 182384), (752, 170985), (940, 136788), (1128, 113990), (1410, 91192), (1880, 68394), (2256, 56995), (2820, 45596), (3760, 34197), (5640, 22798), (11280, 11399)]