81459300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20887}}^1$

素因数の和:20917

約数の個数: 72

約数和(自身を含む): 253830976

約数和(自身を除く): 172371676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20887, 41774, 62661, 83548, 104435, 125322, 208870, 250644, 271531, 313305, 417740, 522175, 543062, 626610, 814593, 1044350, 1086124, 1253220, 1357655, 1566525, 1629186, 2088700, 2715310, 3133050, 3258372, 4072965, 5430620, 6266100, 6788275, 8145930, 13576550, 16291860, 20364825, 27153100, 40729650, 81459300]

約数ペア:

[(1, 81459300), (2, 40729650), (3, 27153100), (4, 20364825), (5, 16291860), (6, 13576550), (10, 8145930), (12, 6788275), (13, 6266100), (15, 5430620), (20, 4072965), (25, 3258372), (26, 3133050), (30, 2715310), (39, 2088700), (50, 1629186), (52, 1566525), (60, 1357655), (65, 1253220), (75, 1086124), (78, 1044350), (100, 814593), (130, 626610), (150, 543062), (156, 522175), (195, 417740), (260, 313305), (300, 271531), (325, 250644), (390, 208870), (650, 125322), (780, 104435), (975, 83548), (1300, 62661), (1950, 41774), (3900, 20887)]