80969560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 214434000

約数和(自身を除く): 133464440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 379, 392, 436, 490, 545, 758, 763, 872, 980, 1090, 1516, 1526, 1895, 1960, 2180, 2653, 3032, 3052, 3790, 3815, 4360, 5306, 5341, 6104, 7580, 7630, 10612, 10682, 13265, 15160, 15260, 18571, 21224, 21364, 26530, 26705, 30520, 37142, 41311, 42728, 53060, 53410, 74284, 82622, 92855, 106120, 106820, 148568, 165244, 185710, 206555, 213640, 289177, 330488, 371420, 413110, 578354, 742840, 826220, 1156708, 1445885, 1652440, 2024239, 2313416, 2891770, 4048478, 5783540, 8096956, 10121195, 11567080, 16193912, 20242390, 40484780, 80969560]

約数ペア:

[(1, 80969560), (2, 40484780), (4, 20242390), (5, 16193912), (7, 11567080), (8, 10121195), (10, 8096956), (14, 5783540), (20, 4048478), (28, 2891770), (35, 2313416), (40, 2024239), (49, 1652440), (56, 1445885), (70, 1156708), (98, 826220), (109, 742840), (140, 578354), (196, 413110), (218, 371420), (245, 330488), (280, 289177), (379, 213640), (392, 206555), (436, 185710), (490, 165244), (545, 148568), (758, 106820), (763, 106120), (872, 92855), (980, 82622), (1090, 74284), (1516, 53410), (1526, 53060), (1895, 42728), (1960, 41311), (2180, 37142), (2653, 30520), (3032, 26705), (3052, 26530), (3790, 21364), (3815, 21224), (4360, 18571), (5306, 15260), (5341, 15160), (6104, 13265), (7580, 10682), (7630, 10612)]