1277280

素因数分解:

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

素因数の和:908

約数の個数: 72

約数和(自身を含む): 4363632

約数和(自身を除く): 3086352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 887, 1440, 1774, 2661, 3548, 4435, 5322, 7096, 7983, 8870, 10644, 13305, 14192, 15966, 17740, 21288, 26610, 28384, 31932, 35480, 39915, 42576, 53220, 63864, 70960, 79830, 85152, 106440, 127728, 141920, 159660, 212880, 255456, 319320, 425760, 638640, 1277280]

約数ペア:

[(1, 1277280), (2, 638640), (3, 425760), (4, 319320), (5, 255456), (6, 212880), (8, 159660), (9, 141920), (10, 127728), (12, 106440), (15, 85152), (16, 79830), (18, 70960), (20, 63864), (24, 53220), (30, 42576), (32, 39915), (36, 35480), (40, 31932), (45, 28384), (48, 26610), (60, 21288), (72, 17740), (80, 15966), (90, 14192), (96, 13305), (120, 10644), (144, 8870), (160, 7983), (180, 7096), (240, 5322), (288, 4435), (360, 3548), (480, 2661), (720, 1774), (887, 1440)]