355220880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{211441}}^1$

素因数の和:211464

約数の個数: 80

約数和(自身を含む): 1258502784

約数和(自身を除く): 903281904

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, 211441, 422882, 634323, 845764, 1057205, 1268646, 1480087, 1691528, 2114410, 2537292, 2960174, 3171615, 3383056, 4228820, 4440261, 5074584, 5920348, 6343230, 7400435, 8457640, 8880522, 10149168, 11840696, 12686460, 14800870, 16915280, 17761044, 22201305, 23681392, 25372920, 29601740, 35522088, 44402610, 50745840, 59203480, 71044176, 88805220, 118406960, 177610440, 355220880]

約数ペア:

[(1, 355220880), (2, 177610440), (3, 118406960), (4, 88805220), (5, 71044176), (6, 59203480), (7, 50745840), (8, 44402610), (10, 35522088), (12, 29601740), (14, 25372920), (15, 23681392), (16, 22201305), (20, 17761044), (21, 16915280), (24, 14800870), (28, 12686460), (30, 11840696), (35, 10149168), (40, 8880522), (42, 8457640), (48, 7400435), (56, 6343230), (60, 5920348), (70, 5074584), (80, 4440261), (84, 4228820), (105, 3383056), (112, 3171615), (120, 2960174), (140, 2537292), (168, 2114410), (210, 1691528), (240, 1480087), (280, 1268646), (336, 1057205), (420, 845764), (560, 634323), (840, 422882), (1680, 211441)]