209280120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{249143}}^1$

素因数の和:249164

約数の個数: 64

約数和(自身を含む): 717534720

約数和(自身を除く): 508254600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 249143, 498286, 747429, 996572, 1245715, 1494858, 1744001, 1993144, 2491430, 2989716, 3488002, 3737145, 4982860, 5232003, 5979432, 6976004, 7474290, 8720005, 9965720, 10464006, 13952008, 14948580, 17440010, 20928012, 26160015, 29897160, 34880020, 41856024, 52320030, 69760040, 104640060, 209280120]

約数ペア:

[(1, 209280120), (2, 104640060), (3, 69760040), (4, 52320030), (5, 41856024), (6, 34880020), (7, 29897160), (8, 26160015), (10, 20928012), (12, 17440010), (14, 14948580), (15, 13952008), (20, 10464006), (21, 9965720), (24, 8720005), (28, 7474290), (30, 6976004), (35, 5979432), (40, 5232003), (42, 4982860), (56, 3737145), (60, 3488002), (70, 2989716), (84, 2491430), (105, 1993144), (120, 1744001), (140, 1494858), (168, 1245715), (210, 996572), (280, 747429), (420, 498286), (840, 249143)]