641078016

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{26927}}^1$

素因数の和:26977

約数の個数: 72

約数和(自身を含む): 1761306624

約数和(自身を除く): 1120228608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 992, 1488, 1984, 2976, 3968, 5952, 7936, 11904, 23808, 26927, 53854, 80781, 107708, 161562, 215416, 323124, 430832, 646248, 834737, 861664, 1292496, 1669474, 1723328, 2504211, 2584992, 3338948, 3446656, 5008422, 5169984, 6677896, 6893312, 10016844, 10339968, 13355792, 20033688, 20679936, 26711584, 40067376, 53423168, 80134752, 106846336, 160269504, 213692672, 320539008, 641078016]

約数ペア:

[(1, 641078016), (2, 320539008), (3, 213692672), (4, 160269504), (6, 106846336), (8, 80134752), (12, 53423168), (16, 40067376), (24, 26711584), (31, 20679936), (32, 20033688), (48, 13355792), (62, 10339968), (64, 10016844), (93, 6893312), (96, 6677896), (124, 5169984), (128, 5008422), (186, 3446656), (192, 3338948), (248, 2584992), (256, 2504211), (372, 1723328), (384, 1669474), (496, 1292496), (744, 861664), (768, 834737), (992, 646248), (1488, 430832), (1984, 323124), (2976, 215416), (3968, 161562), (5952, 107708), (7936, 80781), (11904, 53854), (23808, 26927)]