81795030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 202625280

約数和(自身を除く): 120830250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 163, 215, 258, 326, 389, 430, 489, 645, 778, 815, 978, 1167, 1290, 1630, 1945, 2334, 2445, 3890, 4890, 5835, 7009, 11670, 14018, 16727, 21027, 33454, 35045, 42054, 50181, 63407, 70090, 83635, 100362, 105135, 126814, 167270, 190221, 210270, 250905, 317035, 380442, 501810, 634070, 951105, 1902210, 2726501, 5453002, 8179503, 13632505, 16359006, 27265010, 40897515, 81795030]

約数ペア:

[(1, 81795030), (2, 40897515), (3, 27265010), (5, 16359006), (6, 13632505), (10, 8179503), (15, 5453002), (30, 2726501), (43, 1902210), (86, 951105), (129, 634070), (163, 501810), (215, 380442), (258, 317035), (326, 250905), (389, 210270), (430, 190221), (489, 167270), (645, 126814), (778, 105135), (815, 100362), (978, 83635), (1167, 70090), (1290, 63407), (1630, 50181), (1945, 42054), (2334, 35045), (2445, 33454), (3890, 21027), (4890, 16727), (5835, 14018), (7009, 11670)]