281669360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3331}}^1$

素因数の和:3502

約数の個数: 80

約数和(自身を含む): 753618432

約数和(自身を除く): 471949072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 3020, 3331, 4228, 5285, 6040, 6662, 8456, 10570, 12080, 13324, 16655, 16912, 21140, 23317, 26648, 33310, 42280, 46634, 53296, 66620, 84560, 93268, 116585, 133240, 186536, 233170, 266480, 373072, 466340, 502981, 932680, 1005962, 1865360, 2011924, 2514905, 3520867, 4023848, 5029810, 7041734, 8047696, 10059620, 14083468, 17604335, 20119240, 28166936, 35208670, 40238480, 56333872, 70417340, 140834680, 281669360]

約数ペア:

[(1, 281669360), (2, 140834680), (4, 70417340), (5, 56333872), (7, 40238480), (8, 35208670), (10, 28166936), (14, 20119240), (16, 17604335), (20, 14083468), (28, 10059620), (35, 8047696), (40, 7041734), (56, 5029810), (70, 4023848), (80, 3520867), (112, 2514905), (140, 2011924), (151, 1865360), (280, 1005962), (302, 932680), (560, 502981), (604, 466340), (755, 373072), (1057, 266480), (1208, 233170), (1510, 186536), (2114, 133240), (2416, 116585), (3020, 93268), (3331, 84560), (4228, 66620), (5285, 53296), (6040, 46634), (6662, 42280), (8456, 33310), (10570, 26648), (12080, 23317), (13324, 21140), (16655, 16912)]