128642904

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{15271}}^1$

素因数の和:15302

約数の個数: 80

約数和(自身を含む): 388061520

約数和(自身を除く): 259418616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 15271, 30542, 45813, 61084, 91626, 122168, 137439, 183252, 198523, 274878, 366504, 397046, 412317, 549756, 595569, 794092, 824634, 1099512, 1191138, 1236951, 1588184, 1649268, 1786707, 2382276, 2473902, 3298536, 3573414, 4764552, 4947804, 5360121, 7146828, 9895608, 10720242, 14293656, 16080363, 21440484, 32160726, 42880968, 64321452, 128642904]

約数ペア:

[(1, 128642904), (2, 64321452), (3, 42880968), (4, 32160726), (6, 21440484), (8, 16080363), (9, 14293656), (12, 10720242), (13, 9895608), (18, 7146828), (24, 5360121), (26, 4947804), (27, 4764552), (36, 3573414), (39, 3298536), (52, 2473902), (54, 2382276), (72, 1786707), (78, 1649268), (81, 1588184), (104, 1236951), (108, 1191138), (117, 1099512), (156, 824634), (162, 794092), (216, 595569), (234, 549756), (312, 412317), (324, 397046), (351, 366504), (468, 274878), (648, 198523), (702, 183252), (936, 137439), (1053, 122168), (1404, 91626), (2106, 61084), (2808, 45813), (4212, 30542), (8424, 15271)]