320309712

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 926190720

約数和(自身を除く): 605881008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 227, 239, 246, 328, 369, 454, 478, 492, 656, 681, 717, 738, 908, 956, 984, 1362, 1434, 1476, 1816, 1912, 1968, 2043, 2151, 2724, 2868, 2952, 3632, 3824, 4086, 4302, 5448, 5736, 5904, 8172, 8604, 9307, 9799, 10896, 11472, 16344, 17208, 18614, 19598, 27921, 29397, 32688, 34416, 37228, 39196, 54253, 55842, 58794, 74456, 78392, 83763, 88191, 108506, 111684, 117588, 148912, 156784, 162759, 167526, 176382, 217012, 223368, 235176, 325518, 335052, 352764, 434024, 446736, 470352, 488277, 651036, 670104, 705528, 868048, 976554, 1302072, 1340208, 1411056, 1953108, 2224373, 2604144, 3906216, 4448746, 6673119, 7812432, 8897492, 13346238, 17794984, 20019357, 26692476, 35589968, 40038714, 53384952, 80077428, 106769904, 160154856, 320309712]

約数ペア:

[(1, 320309712), (2, 160154856), (3, 106769904), (4, 80077428), (6, 53384952), (8, 40038714), (9, 35589968), (12, 26692476), (16, 20019357), (18, 17794984), (24, 13346238), (36, 8897492), (41, 7812432), (48, 6673119), (72, 4448746), (82, 3906216), (123, 2604144), (144, 2224373), (164, 1953108), (227, 1411056), (239, 1340208), (246, 1302072), (328, 976554), (369, 868048), (454, 705528), (478, 670104), (492, 651036), (656, 488277), (681, 470352), (717, 446736), (738, 434024), (908, 352764), (956, 335052), (984, 325518), (1362, 235176), (1434, 223368), (1476, 217012), (1816, 176382), (1912, 167526), (1968, 162759), (2043, 156784), (2151, 148912), (2724, 117588), (2868, 111684), (2952, 108506), (3632, 88191), (3824, 83763), (4086, 78392), (4302, 74456), (5448, 58794), (5736, 55842), (5904, 54253), (8172, 39196), (8604, 37228), (9307, 34416), (9799, 32688), (10896, 29397), (11472, 27921), (16344, 19598), (17208, 18614)]