638630640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{886987}}^1$

素因数の和:887006

約数の個数: 60

約数和(自身を含む): 2144736984

約数和(自身を除く): 1506106344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 886987, 1773974, 2660961, 3547948, 4434935, 5321922, 7095896, 7982883, 8869870, 10643844, 13304805, 14191792, 15965766, 17739740, 21287688, 26609610, 31931532, 35479480, 39914415, 42575376, 53219220, 63863064, 70958960, 79828830, 106438440, 127726128, 159657660, 212876880, 319315320, 638630640]

約数ペア:

[(1, 638630640), (2, 319315320), (3, 212876880), (4, 159657660), (5, 127726128), (6, 106438440), (8, 79828830), (9, 70958960), (10, 63863064), (12, 53219220), (15, 42575376), (16, 39914415), (18, 35479480), (20, 31931532), (24, 26609610), (30, 21287688), (36, 17739740), (40, 15965766), (45, 14191792), (48, 13304805), (60, 10643844), (72, 8869870), (80, 7982883), (90, 7095896), (120, 5321922), (144, 4434935), (180, 3547948), (240, 2660961), (360, 1773974), (720, 886987)]