81325008

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 243734400

約数和(自身を除く): 162409392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 139, 144, 153, 204, 239, 272, 278, 306, 408, 417, 478, 556, 612, 717, 816, 834, 956, 1112, 1224, 1251, 1434, 1668, 1912, 2151, 2224, 2363, 2448, 2502, 2868, 3336, 3824, 4063, 4302, 4726, 5004, 5736, 6672, 7089, 8126, 8604, 9452, 10008, 11472, 12189, 14178, 16252, 17208, 18904, 20016, 21267, 24378, 28356, 32504, 33221, 34416, 36567, 37808, 42534, 48756, 56712, 65008, 66442, 73134, 85068, 97512, 99663, 113424, 132884, 146268, 170136, 195024, 199326, 265768, 292536, 298989, 340272, 398652, 531536, 564757, 585072, 597978, 797304, 1129514, 1195956, 1594608, 1694271, 2259028, 2391912, 3388542, 4518056, 4783824, 5082813, 6777084, 9036112, 10165626, 13554168, 20331252, 27108336, 40662504, 81325008]

約数ペア:

[(1, 81325008), (2, 40662504), (3, 27108336), (4, 20331252), (6, 13554168), (8, 10165626), (9, 9036112), (12, 6777084), (16, 5082813), (17, 4783824), (18, 4518056), (24, 3388542), (34, 2391912), (36, 2259028), (48, 1694271), (51, 1594608), (68, 1195956), (72, 1129514), (102, 797304), (136, 597978), (139, 585072), (144, 564757), (153, 531536), (204, 398652), (239, 340272), (272, 298989), (278, 292536), (306, 265768), (408, 199326), (417, 195024), (478, 170136), (556, 146268), (612, 132884), (717, 113424), (816, 99663), (834, 97512), (956, 85068), (1112, 73134), (1224, 66442), (1251, 65008), (1434, 56712), (1668, 48756), (1912, 42534), (2151, 37808), (2224, 36567), (2363, 34416), (2448, 33221), (2502, 32504), (2868, 28356), (3336, 24378), (3824, 21267), (4063, 20016), (4302, 18904), (4726, 17208), (5004, 16252), (5736, 14178), (6672, 12189), (7089, 11472), (8126, 10008), (8604, 9452)]