640174416

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{272183}}^1$

素因数の和:272208

約数の個数: 60

約数和(自身を含む): 1923796512

約数和(自身を除く): 1283622096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 2352, 272183, 544366, 816549, 1088732, 1633098, 1905281, 2177464, 3266196, 3810562, 4354928, 5715843, 6532392, 7621124, 11431686, 13064784, 13336967, 15242248, 22863372, 26673934, 30484496, 40010901, 45726744, 53347868, 80021802, 91453488, 106695736, 160043604, 213391472, 320087208, 640174416]

約数ペア:

[(1, 640174416), (2, 320087208), (3, 213391472), (4, 160043604), (6, 106695736), (7, 91453488), (8, 80021802), (12, 53347868), (14, 45726744), (16, 40010901), (21, 30484496), (24, 26673934), (28, 22863372), (42, 15242248), (48, 13336967), (49, 13064784), (56, 11431686), (84, 7621124), (98, 6532392), (112, 5715843), (147, 4354928), (168, 3810562), (196, 3266196), (294, 2177464), (336, 1905281), (392, 1633098), (588, 1088732), (784, 816549), (1176, 544366), (2352, 272183)]