81729144

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5281

約数の個数: 96

約数和(自身を含む): 261181440

約数和(自身を除く): 179452296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 168, 186, 217, 248, 252, 279, 372, 434, 504, 558, 651, 744, 868, 1116, 1302, 1736, 1953, 2232, 2604, 3906, 5208, 5231, 7812, 10462, 15624, 15693, 20924, 31386, 36617, 41848, 47079, 62772, 73234, 94158, 109851, 125544, 146468, 162161, 188316, 219702, 292936, 324322, 329553, 376632, 439404, 486483, 648644, 659106, 878808, 972966, 1135127, 1297288, 1318212, 1459449, 1945932, 2270254, 2636424, 2918898, 3405381, 3891864, 4540508, 5837796, 6810762, 9081016, 10216143, 11675592, 13621524, 20432286, 27243048, 40864572, 81729144]

約数ペア:

[(1, 81729144), (2, 40864572), (3, 27243048), (4, 20432286), (6, 13621524), (7, 11675592), (8, 10216143), (9, 9081016), (12, 6810762), (14, 5837796), (18, 4540508), (21, 3891864), (24, 3405381), (28, 2918898), (31, 2636424), (36, 2270254), (42, 1945932), (56, 1459449), (62, 1318212), (63, 1297288), (72, 1135127), (84, 972966), (93, 878808), (124, 659106), (126, 648644), (168, 486483), (186, 439404), (217, 376632), (248, 329553), (252, 324322), (279, 292936), (372, 219702), (434, 188316), (504, 162161), (558, 146468), (651, 125544), (744, 109851), (868, 94158), (1116, 73234), (1302, 62772), (1736, 47079), (1953, 41848), (2232, 36617), (2604, 31386), (3906, 20924), (5208, 15693), (5231, 15624), (7812, 10462)]