645456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 2035584

約数和(自身を除く): 1390128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 51, 56, 68, 84, 102, 112, 113, 119, 136, 168, 204, 226, 238, 272, 336, 339, 357, 408, 452, 476, 678, 714, 791, 816, 904, 952, 1356, 1428, 1582, 1808, 1904, 1921, 2373, 2712, 2856, 3164, 3842, 4746, 5424, 5712, 5763, 6328, 7684, 9492, 11526, 12656, 13447, 15368, 18984, 23052, 26894, 30736, 37968, 40341, 46104, 53788, 80682, 92208, 107576, 161364, 215152, 322728, 645456]

約数ペア:

[(1, 645456), (2, 322728), (3, 215152), (4, 161364), (6, 107576), (7, 92208), (8, 80682), (12, 53788), (14, 46104), (16, 40341), (17, 37968), (21, 30736), (24, 26894), (28, 23052), (34, 18984), (42, 15368), (48, 13447), (51, 12656), (56, 11526), (68, 9492), (84, 7684), (102, 6328), (112, 5763), (113, 5712), (119, 5424), (136, 4746), (168, 3842), (204, 3164), (226, 2856), (238, 2712), (272, 2373), (336, 1921), (339, 1904), (357, 1808), (408, 1582), (452, 1428), (476, 1356), (678, 952), (714, 904), (791, 816)]