280091232

素因数分解:

$2^5\times 3^2\times {\mathrm{487}}^1\times {\mathrm{1997}}^1$

素因数の和:2500

約数の個数: 72

約数和(自身を含む): 798544656

約数和(自身を除く): 518453424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 487, 974, 1461, 1948, 1997, 2922, 3896, 3994, 4383, 5844, 5991, 7792, 7988, 8766, 11688, 11982, 15584, 15976, 17532, 17973, 23376, 23964, 31952, 35064, 35946, 46752, 47928, 63904, 70128, 71892, 95856, 140256, 143784, 191712, 287568, 575136, 972539, 1945078, 2917617, 3890156, 5835234, 7780312, 8752851, 11670468, 15560624, 17505702, 23340936, 31121248, 35011404, 46681872, 70022808, 93363744, 140045616, 280091232]

約数ペア:

[(1, 280091232), (2, 140045616), (3, 93363744), (4, 70022808), (6, 46681872), (8, 35011404), (9, 31121248), (12, 23340936), (16, 17505702), (18, 15560624), (24, 11670468), (32, 8752851), (36, 7780312), (48, 5835234), (72, 3890156), (96, 2917617), (144, 1945078), (288, 972539), (487, 575136), (974, 287568), (1461, 191712), (1948, 143784), (1997, 140256), (2922, 95856), (3896, 71892), (3994, 70128), (4383, 63904), (5844, 47928), (5991, 46752), (7792, 35946), (7988, 35064), (8766, 31952), (11688, 23964), (11982, 23376), (15584, 17973), (15976, 17532)]