81239514160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{145070561}}^1$

素因数の和:145070581

約数の個数: 40

約数和(自身を含む): 215864996256

約数和(自身を除く): 134625482096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 145070561, 290141122, 580282244, 725352805, 1015493927, 1160564488, 1450705610, 2030987854, 2321128976, 2901411220, 4061975708, 5077469635, 5802822440, 8123951416, 10154939270, 11605644880, 16247902832, 20309878540, 40619757080, 81239514160]

約数ペア:

[(1, 81239514160), (2, 40619757080), (4, 20309878540), (5, 16247902832), (7, 11605644880), (8, 10154939270), (10, 8123951416), (14, 5802822440), (16, 5077469635), (20, 4061975708), (28, 2901411220), (35, 2321128976), (40, 2030987854), (56, 1450705610), (70, 1160564488), (80, 1015493927), (112, 725352805), (140, 580282244), (280, 290141122), (560, 145070561)]