81329360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8543}}^1$

素因数の和:8580

約数の個数: 80

約数和(自身を含む): 228842496

約数和(自身を除く): 147513136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8543, 9520, 17086, 34172, 42715, 59801, 68344, 85430, 119602, 136688, 145231, 170860, 239204, 290462, 299005, 341720, 478408, 580924, 598010, 683440, 726155, 956816, 1016617, 1161848, 1196020, 1452310, 2033234, 2323696, 2392040, 2904620, 4066468, 4784080, 5083085, 5809240, 8132936, 10166170, 11618480, 16265872, 20332340, 40664680, 81329360]

約数ペア:

[(1, 81329360), (2, 40664680), (4, 20332340), (5, 16265872), (7, 11618480), (8, 10166170), (10, 8132936), (14, 5809240), (16, 5083085), (17, 4784080), (20, 4066468), (28, 2904620), (34, 2392040), (35, 2323696), (40, 2033234), (56, 1452310), (68, 1196020), (70, 1161848), (80, 1016617), (85, 956816), (112, 726155), (119, 683440), (136, 598010), (140, 580924), (170, 478408), (238, 341720), (272, 299005), (280, 290462), (340, 239204), (476, 170860), (560, 145231), (595, 136688), (680, 119602), (952, 85430), (1190, 68344), (1360, 59801), (1904, 42715), (2380, 34172), (4760, 17086), (8543, 9520)]