636645520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49429}}^1$

素因数の和:49472

約数の個数: 80

約数和(自身を含む): 1765244160

約数和(自身を除く): 1128598640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 49429, 98858, 197716, 247145, 346003, 395432, 494290, 692006, 790864, 988580, 1136867, 1384012, 1730015, 1977160, 2273734, 2768024, 3460030, 3954320, 4547468, 5536048, 5684335, 6920060, 7958069, 9094936, 11368670, 13840120, 15916138, 18189872, 22737340, 27680240, 31832276, 39790345, 45474680, 63664552, 79580690, 90949360, 127329104, 159161380, 318322760, 636645520]

約数ペア:

[(1, 636645520), (2, 318322760), (4, 159161380), (5, 127329104), (7, 90949360), (8, 79580690), (10, 63664552), (14, 45474680), (16, 39790345), (20, 31832276), (23, 27680240), (28, 22737340), (35, 18189872), (40, 15916138), (46, 13840120), (56, 11368670), (70, 9094936), (80, 7958069), (92, 6920060), (112, 5684335), (115, 5536048), (140, 4547468), (161, 3954320), (184, 3460030), (230, 2768024), (280, 2273734), (322, 1977160), (368, 1730015), (460, 1384012), (560, 1136867), (644, 988580), (805, 790864), (920, 692006), (1288, 494290), (1610, 395432), (1840, 346003), (2576, 247145), (3220, 197716), (6440, 98858), (12880, 49429)]