28089540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 86021208

約数和(自身を除く): 57931668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1356, 1381, 1695, 2034, 2260, 2762, 3390, 4068, 4143, 5085, 5524, 6780, 6905, 8286, 10170, 12429, 13810, 16572, 20340, 20715, 24858, 27620, 41430, 49716, 62145, 82860, 124290, 156053, 248580, 312106, 468159, 624212, 780265, 936318, 1404477, 1560530, 1872636, 2340795, 2808954, 3121060, 4681590, 5617908, 7022385, 9363180, 14044770, 28089540]

約数ペア:

[(1, 28089540), (2, 14044770), (3, 9363180), (4, 7022385), (5, 5617908), (6, 4681590), (9, 3121060), (10, 2808954), (12, 2340795), (15, 1872636), (18, 1560530), (20, 1404477), (30, 936318), (36, 780265), (45, 624212), (60, 468159), (90, 312106), (113, 248580), (180, 156053), (226, 124290), (339, 82860), (452, 62145), (565, 49716), (678, 41430), (1017, 27620), (1130, 24858), (1356, 20715), (1381, 20340), (1695, 16572), (2034, 13810), (2260, 12429), (2762, 10170), (3390, 8286), (4068, 6905), (4143, 6780), (5085, 5524)]