81261312

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{9619}}^1$

素因数の和:9649

約数の個数: 72

約数和(自身を含む): 235959360

約数和(自身を除く): 154698048

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 528, 704, 768, 1056, 1408, 2112, 2816, 4224, 8448, 9619, 19238, 28857, 38476, 57714, 76952, 105809, 115428, 153904, 211618, 230856, 307808, 317427, 423236, 461712, 615616, 634854, 846472, 923424, 1231232, 1269708, 1692944, 1846848, 2462464, 2539416, 3385888, 3693696, 5078832, 6771776, 7387392, 10157664, 13543552, 20315328, 27087104, 40630656, 81261312]

約数ペア:

[(1, 81261312), (2, 40630656), (3, 27087104), (4, 20315328), (6, 13543552), (8, 10157664), (11, 7387392), (12, 6771776), (16, 5078832), (22, 3693696), (24, 3385888), (32, 2539416), (33, 2462464), (44, 1846848), (48, 1692944), (64, 1269708), (66, 1231232), (88, 923424), (96, 846472), (128, 634854), (132, 615616), (176, 461712), (192, 423236), (256, 317427), (264, 307808), (352, 230856), (384, 211618), (528, 153904), (704, 115428), (768, 105809), (1056, 76952), (1408, 57714), (2112, 38476), (2816, 28857), (4224, 19238), (8448, 9619)]