678901488

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 160

約数和(自身を含む): 1919877120

約数和(自身を除く): 1240975632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 31, 46, 48, 62, 69, 83, 92, 93, 124, 138, 166, 184, 186, 239, 248, 249, 276, 332, 368, 372, 478, 496, 498, 552, 664, 713, 717, 744, 956, 996, 1104, 1328, 1426, 1434, 1488, 1909, 1912, 1992, 2139, 2573, 2852, 2868, 3818, 3824, 3984, 4278, 5146, 5497, 5704, 5727, 5736, 7409, 7636, 7719, 8556, 10292, 10994, 11408, 11454, 11472, 14818, 15272, 15438, 16491, 17112, 19837, 20584, 21988, 22227, 22908, 29636, 30544, 30876, 32982, 34224, 39674, 41168, 43976, 44454, 45816, 59179, 59272, 59511, 61752, 65964, 79348, 87952, 88908, 91632, 118358, 118544, 119022, 123504, 131928, 158696, 170407, 177537, 177816, 236716, 238044, 263856, 317392, 340814, 355074, 355632, 456251, 473432, 476088, 511221, 614947, 681628, 710148, 912502, 946864, 952176, 1022442, 1229894, 1363256, 1368753, 1420296, 1825004, 1844841, 2044884, 2459788, 2726512, 2737506, 2840592, 3650008, 3689682, 4089768, 4919576, 5475012, 7300016, 7379364, 8179536, 9839152, 10950024, 14143781, 14758728, 21900048, 28287562, 29517456, 42431343, 56575124, 84862686, 113150248, 169725372, 226300496, 339450744, 678901488]

約数ペア:

[(1, 678901488), (2, 339450744), (3, 226300496), (4, 169725372), (6, 113150248), (8, 84862686), (12, 56575124), (16, 42431343), (23, 29517456), (24, 28287562), (31, 21900048), (46, 14758728), (48, 14143781), (62, 10950024), (69, 9839152), (83, 8179536), (92, 7379364), (93, 7300016), (124, 5475012), (138, 4919576), (166, 4089768), (184, 3689682), (186, 3650008), (239, 2840592), (248, 2737506), (249, 2726512), (276, 2459788), (332, 2044884), (368, 1844841), (372, 1825004), (478, 1420296), (496, 1368753), (498, 1363256), (552, 1229894), (664, 1022442), (713, 952176), (717, 946864), (744, 912502), (956, 710148), (996, 681628), (1104, 614947), (1328, 511221), (1426, 476088), (1434, 473432), (1488, 456251), (1909, 355632), (1912, 355074), (1992, 340814), (2139, 317392), (2573, 263856), (2852, 238044), (2868, 236716), (3818, 177816), (3824, 177537), (3984, 170407), (4278, 158696), (5146, 131928), (5497, 123504), (5704, 119022), (5727, 118544), (5736, 118358), (7409, 91632), (7636, 88908), (7719, 87952), (8556, 79348), (10292, 65964), (10994, 61752), (11408, 59511), (11454, 59272), (11472, 59179), (14818, 45816), (15272, 44454), (15438, 43976), (16491, 41168), (17112, 39674), (19837, 34224), (20584, 32982), (21988, 30876), (22227, 30544), (22908, 29636)]