320606464

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 671086080

約数和(自身を除く): 350479616

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 496, 568, 569, 992, 1136, 1138, 1984, 2201, 2272, 2276, 3968, 4402, 4544, 4552, 7936, 8804, 9088, 9104, 17608, 17639, 18176, 18208, 35216, 35278, 36416, 40399, 70432, 70556, 72832, 80798, 140864, 141112, 145664, 161596, 281728, 282224, 323192, 563456, 564448, 646384, 1128896, 1252369, 1292768, 2257792, 2504738, 2585536, 4515584, 5009476, 5171072, 10018952, 10342144, 20037904, 40075808, 80151616, 160303232, 320606464]

約数ペア:

[(1, 320606464), (2, 160303232), (4, 80151616), (8, 40075808), (16, 20037904), (31, 10342144), (32, 10018952), (62, 5171072), (64, 5009476), (71, 4515584), (124, 2585536), (128, 2504738), (142, 2257792), (248, 1292768), (256, 1252369), (284, 1128896), (496, 646384), (568, 564448), (569, 563456), (992, 323192), (1136, 282224), (1138, 281728), (1984, 161596), (2201, 145664), (2272, 141112), (2276, 140864), (3968, 80798), (4402, 72832), (4544, 70556), (4552, 70432), (7936, 40399), (8804, 36416), (9088, 35278), (9104, 35216), (17608, 18208), (17639, 18176)]