220777728

素因数分解:

$2^8\times 3^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 589898400

約数和(自身を除く): 369120672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 389, 739, 768, 778, 1167, 1478, 1556, 2217, 2334, 2956, 3112, 4434, 4668, 5912, 6224, 8868, 9336, 11824, 12448, 17736, 18672, 23648, 24896, 35472, 37344, 47296, 49792, 70944, 74688, 94592, 99584, 141888, 149376, 189184, 283776, 287471, 298752, 567552, 574942, 862413, 1149884, 1724826, 2299768, 3449652, 4599536, 6899304, 9199072, 13798608, 18398144, 27597216, 36796288, 55194432, 73592576, 110388864, 220777728]

約数ペア:

[(1, 220777728), (2, 110388864), (3, 73592576), (4, 55194432), (6, 36796288), (8, 27597216), (12, 18398144), (16, 13798608), (24, 9199072), (32, 6899304), (48, 4599536), (64, 3449652), (96, 2299768), (128, 1724826), (192, 1149884), (256, 862413), (384, 574942), (389, 567552), (739, 298752), (768, 287471), (778, 283776), (1167, 189184), (1478, 149376), (1556, 141888), (2217, 99584), (2334, 94592), (2956, 74688), (3112, 70944), (4434, 49792), (4668, 47296), (5912, 37344), (6224, 35472), (8868, 24896), (9336, 23648), (11824, 18672), (12448, 17736)]