81107280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1033

約数の個数: 120

約数和(自身を含む): 274839552

約数和(自身を除く): 193732272

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 887, 1016, 1143, 1270, 1524, 1774, 1905, 2032, 2286, 2540, 2661, 3048, 3548, 3810, 4435, 4572, 5080, 5322, 5715, 6096, 7096, 7620, 7983, 8870, 9144, 10160, 10644, 11430, 13305, 14192, 15240, 15966, 17740, 18288, 21288, 22860, 26610, 30480, 31932, 35480, 39915, 42576, 45720, 53220, 63864, 70960, 79830, 91440, 106440, 112649, 127728, 159660, 212880, 225298, 319320, 337947, 450596, 563245, 638640, 675894, 901192, 1013841, 1126490, 1351788, 1689735, 1802384, 2027682, 2252980, 2703576, 3379470, 4055364, 4505960, 5069205, 5407152, 6758940, 8110728, 9011920, 10138410, 13517880, 16221456, 20276820, 27035760, 40553640, 81107280]

約数ペア:

[(1, 81107280), (2, 40553640), (3, 27035760), (4, 20276820), (5, 16221456), (6, 13517880), (8, 10138410), (9, 9011920), (10, 8110728), (12, 6758940), (15, 5407152), (16, 5069205), (18, 4505960), (20, 4055364), (24, 3379470), (30, 2703576), (36, 2252980), (40, 2027682), (45, 1802384), (48, 1689735), (60, 1351788), (72, 1126490), (80, 1013841), (90, 901192), (120, 675894), (127, 638640), (144, 563245), (180, 450596), (240, 337947), (254, 319320), (360, 225298), (381, 212880), (508, 159660), (635, 127728), (720, 112649), (762, 106440), (887, 91440), (1016, 79830), (1143, 70960), (1270, 63864), (1524, 53220), (1774, 45720), (1905, 42576), (2032, 39915), (2286, 35480), (2540, 31932), (2661, 30480), (3048, 26610), (3548, 22860), (3810, 21288), (4435, 18288), (4572, 17740), (5080, 15966), (5322, 15240), (5715, 14192), (6096, 13305), (7096, 11430), (7620, 10644), (7983, 10160), (8870, 9144)]