28723140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1237}}^1$

素因数の和:1298

約数の個数: 96

約数和(自身を含む): 91512960

約数和(自身を除く): 62789820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 86, 90, 108, 129, 135, 172, 180, 215, 258, 270, 387, 430, 516, 540, 645, 774, 860, 1161, 1237, 1290, 1548, 1935, 2322, 2474, 2580, 3711, 3870, 4644, 4948, 5805, 6185, 7422, 7740, 11133, 11610, 12370, 14844, 18555, 22266, 23220, 24740, 33399, 37110, 44532, 53191, 55665, 66798, 74220, 106382, 111330, 133596, 159573, 166995, 212764, 222660, 265955, 319146, 333990, 478719, 531910, 638292, 667980, 797865, 957438, 1063820, 1436157, 1595730, 1914876, 2393595, 2872314, 3191460, 4787190, 5744628, 7180785, 9574380, 14361570, 28723140]

約数ペア:

[(1, 28723140), (2, 14361570), (3, 9574380), (4, 7180785), (5, 5744628), (6, 4787190), (9, 3191460), (10, 2872314), (12, 2393595), (15, 1914876), (18, 1595730), (20, 1436157), (27, 1063820), (30, 957438), (36, 797865), (43, 667980), (45, 638292), (54, 531910), (60, 478719), (86, 333990), (90, 319146), (108, 265955), (129, 222660), (135, 212764), (172, 166995), (180, 159573), (215, 133596), (258, 111330), (270, 106382), (387, 74220), (430, 66798), (516, 55665), (540, 53191), (645, 44532), (774, 37110), (860, 33399), (1161, 24740), (1237, 23220), (1290, 22266), (1548, 18555), (1935, 14844), (2322, 12370), (2474, 11610), (2580, 11133), (3711, 7740), (3870, 7422), (4644, 6185), (4948, 5805)]