181408080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{107981}}^1$

素因数の和:108004

約数の個数: 80

約数和(自身を含む): 642708864

約数和(自身を除く): 461300784

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 107981, 215962, 323943, 431924, 539905, 647886, 755867, 863848, 1079810, 1295772, 1511734, 1619715, 1727696, 2159620, 2267601, 2591544, 3023468, 3239430, 3779335, 4319240, 4535202, 5183088, 6046936, 6478860, 7558670, 8638480, 9070404, 11338005, 12093872, 12957720, 15117340, 18140808, 22676010, 25915440, 30234680, 36281616, 45352020, 60469360, 90704040, 181408080]

約数ペア:

[(1, 181408080), (2, 90704040), (3, 60469360), (4, 45352020), (5, 36281616), (6, 30234680), (7, 25915440), (8, 22676010), (10, 18140808), (12, 15117340), (14, 12957720), (15, 12093872), (16, 11338005), (20, 9070404), (21, 8638480), (24, 7558670), (28, 6478860), (30, 6046936), (35, 5183088), (40, 4535202), (42, 4319240), (48, 3779335), (56, 3239430), (60, 3023468), (70, 2591544), (80, 2267601), (84, 2159620), (105, 1727696), (112, 1619715), (120, 1511734), (140, 1295772), (168, 1079810), (210, 863848), (240, 755867), (280, 647886), (336, 539905), (420, 431924), (560, 323943), (840, 215962), (1680, 107981)]