205408080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{285289}}^1$

素因数の和:285308

約数の個数: 60

約数和(自身を含む): 689831220

約数和(自身を除く): 484423140

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, 144, 180, 240, 360, 720, 285289, 570578, 855867, 1141156, 1426445, 1711734, 2282312, 2567601, 2852890, 3423468, 4279335, 4564624, 5135202, 5705780, 6846936, 8558670, 10270404, 11411560, 12838005, 13693872, 17117340, 20540808, 22823120, 25676010, 34234680, 41081616, 51352020, 68469360, 102704040, 205408080]

約数ペア:

[(1, 205408080), (2, 102704040), (3, 68469360), (4, 51352020), (5, 41081616), (6, 34234680), (8, 25676010), (9, 22823120), (10, 20540808), (12, 17117340), (15, 13693872), (16, 12838005), (18, 11411560), (20, 10270404), (24, 8558670), (30, 6846936), (36, 5705780), (40, 5135202), (45, 4564624), (48, 4279335), (60, 3423468), (72, 2852890), (80, 2567601), (90, 2282312), (120, 1711734), (144, 1426445), (180, 1141156), (240, 855867), (360, 570578), (720, 285289)]