78215340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{186227}}^1$

素因数の和:186246

約数の個数: 48

約数和(自身を含む): 250290432

約数和(自身を除く): 172075092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 186227, 372454, 558681, 744908, 931135, 1117362, 1303589, 1862270, 2234724, 2607178, 2793405, 3724540, 3910767, 5214356, 5586810, 6517945, 7821534, 11173620, 13035890, 15643068, 19553835, 26071780, 39107670, 78215340]

約数ペア:

[(1, 78215340), (2, 39107670), (3, 26071780), (4, 19553835), (5, 15643068), (6, 13035890), (7, 11173620), (10, 7821534), (12, 6517945), (14, 5586810), (15, 5214356), (20, 3910767), (21, 3724540), (28, 2793405), (30, 2607178), (35, 2234724), (42, 1862270), (60, 1303589), (70, 1117362), (84, 931135), (105, 744908), (140, 558681), (210, 372454), (420, 186227)]