81541512

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 166426488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 71, 72, 78, 104, 108, 117, 142, 156, 213, 216, 234, 284, 312, 351, 409, 426, 468, 568, 639, 702, 818, 852, 923, 936, 1227, 1278, 1404, 1636, 1704, 1846, 1917, 2454, 2556, 2769, 2808, 3272, 3681, 3692, 3834, 4908, 5112, 5317, 5538, 7362, 7384, 7668, 8307, 9816, 10634, 11043, 11076, 14724, 15336, 15951, 16614, 21268, 22086, 22152, 24921, 29039, 29448, 31902, 33228, 42536, 44172, 47853, 49842, 58078, 63804, 66456, 87117, 88344, 95706, 99684, 116156, 127608, 143559, 174234, 191412, 199368, 232312, 261351, 287118, 348468, 377507, 382824, 522702, 574236, 696936, 755014, 784053, 1045404, 1132521, 1148472, 1510028, 1568106, 2090808, 2265042, 3020056, 3136212, 3397563, 4530084, 6272424, 6795126, 9060168, 10192689, 13590252, 20385378, 27180504, 40770756, 81541512]

約数ペア:

[(1, 81541512), (2, 40770756), (3, 27180504), (4, 20385378), (6, 13590252), (8, 10192689), (9, 9060168), (12, 6795126), (13, 6272424), (18, 4530084), (24, 3397563), (26, 3136212), (27, 3020056), (36, 2265042), (39, 2090808), (52, 1568106), (54, 1510028), (71, 1148472), (72, 1132521), (78, 1045404), (104, 784053), (108, 755014), (117, 696936), (142, 574236), (156, 522702), (213, 382824), (216, 377507), (234, 348468), (284, 287118), (312, 261351), (351, 232312), (409, 199368), (426, 191412), (468, 174234), (568, 143559), (639, 127608), (702, 116156), (818, 99684), (852, 95706), (923, 88344), (936, 87117), (1227, 66456), (1278, 63804), (1404, 58078), (1636, 49842), (1704, 47853), (1846, 44172), (1917, 42536), (2454, 33228), (2556, 31902), (2769, 29448), (2808, 29039), (3272, 24921), (3681, 22152), (3692, 22086), (3834, 21268), (4908, 16614), (5112, 15951), (5317, 15336), (5538, 14724), (7362, 11076), (7384, 11043), (7668, 10634), (8307, 9816)]