189709920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131743}}^1$

素因数の和:131764

約数の個数: 72

約数和(自身を含む): 647390016

約数和(自身を除く): 457680096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 131743, 263486, 395229, 526972, 658715, 790458, 1053944, 1185687, 1317430, 1580916, 1976145, 2107888, 2371374, 2634860, 3161832, 3952290, 4215776, 4742748, 5269720, 5928435, 6323664, 7904580, 9485496, 10539440, 11856870, 12647328, 15809160, 18970992, 21078880, 23713740, 31618320, 37941984, 47427480, 63236640, 94854960, 189709920]

約数ペア:

[(1, 189709920), (2, 94854960), (3, 63236640), (4, 47427480), (5, 37941984), (6, 31618320), (8, 23713740), (9, 21078880), (10, 18970992), (12, 15809160), (15, 12647328), (16, 11856870), (18, 10539440), (20, 9485496), (24, 7904580), (30, 6323664), (32, 5928435), (36, 5269720), (40, 4742748), (45, 4215776), (48, 3952290), (60, 3161832), (72, 2634860), (80, 2371374), (90, 2107888), (96, 1976145), (120, 1580916), (144, 1317430), (160, 1185687), (180, 1053944), (240, 790458), (288, 658715), (360, 526972), (480, 395229), (720, 263486), (1440, 131743)]