66718125

素因数分解:

$3^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 60

約数和(自身を含む): 124881900

約数和(自身を除く): 58163775

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 125, 145, 225, 261, 375, 409, 435, 625, 725, 1125, 1227, 1305, 1875, 2045, 2175, 3625, 3681, 5625, 6135, 6525, 10225, 10875, 11861, 18125, 18405, 30675, 32625, 35583, 51125, 54375, 59305, 92025, 106749, 153375, 163125, 177915, 255625, 296525, 460125, 533745, 766875, 889575, 1482625, 2300625, 2668725, 4447875, 7413125, 13343625, 22239375, 66718125]

約数ペア:

[(1, 66718125), (3, 22239375), (5, 13343625), (9, 7413125), (15, 4447875), (25, 2668725), (29, 2300625), (45, 1482625), (75, 889575), (87, 766875), (125, 533745), (145, 460125), (225, 296525), (261, 255625), (375, 177915), (409, 163125), (435, 153375), (625, 106749), (725, 92025), (1125, 59305), (1227, 54375), (1305, 51125), (1875, 35583), (2045, 32625), (2175, 30675), (3625, 18405), (3681, 18125), (5625, 11861), (6135, 10875), (6525, 10225)]