54538125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 101217600

約数和(自身を除く): 46679475

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 59, 75, 85, 87, 125, 145, 177, 255, 295, 375, 425, 435, 493, 625, 725, 885, 1003, 1275, 1475, 1479, 1711, 1875, 2125, 2175, 2465, 3009, 3625, 4425, 5015, 5133, 6375, 7375, 7395, 8555, 10625, 10875, 12325, 15045, 18125, 22125, 25075, 25665, 29087, 31875, 36875, 36975, 42775, 54375, 61625, 75225, 87261, 110625, 125375, 128325, 145435, 184875, 213875, 308125, 376125, 436305, 626875, 641625, 727175, 924375, 1069375, 1880625, 2181525, 3208125, 3635875, 10907625, 18179375, 54538125]

約数ペア:

[(1, 54538125), (3, 18179375), (5, 10907625), (15, 3635875), (17, 3208125), (25, 2181525), (29, 1880625), (51, 1069375), (59, 924375), (75, 727175), (85, 641625), (87, 626875), (125, 436305), (145, 376125), (177, 308125), (255, 213875), (295, 184875), (375, 145435), (425, 128325), (435, 125375), (493, 110625), (625, 87261), (725, 75225), (885, 61625), (1003, 54375), (1275, 42775), (1475, 36975), (1479, 36875), (1711, 31875), (1875, 29087), (2125, 25665), (2175, 25075), (2465, 22125), (3009, 18125), (3625, 15045), (4425, 12325), (5015, 10875), (5133, 10625), (6375, 8555), (7375, 7395)]