68908125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 135406656

約数和(自身を除く): 66498531

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 125, 143, 165, 195, 257, 275, 325, 375, 429, 625, 715, 771, 825, 975, 1285, 1375, 1625, 1875, 2145, 2827, 3341, 3575, 3855, 4125, 4875, 6425, 6875, 8125, 8481, 10023, 10725, 14135, 16705, 17875, 19275, 20625, 24375, 32125, 36751, 42405, 50115, 53625, 70675, 83525, 89375, 96375, 110253, 160625, 183755, 212025, 250575, 268125, 353375, 417625, 481875, 551265, 918775, 1060125, 1252875, 1766875, 2088125, 2756325, 4593875, 5300625, 6264375, 13781625, 22969375, 68908125]

約数ペア:

[(1, 68908125), (3, 22969375), (5, 13781625), (11, 6264375), (13, 5300625), (15, 4593875), (25, 2756325), (33, 2088125), (39, 1766875), (55, 1252875), (65, 1060125), (75, 918775), (125, 551265), (143, 481875), (165, 417625), (195, 353375), (257, 268125), (275, 250575), (325, 212025), (375, 183755), (429, 160625), (625, 110253), (715, 96375), (771, 89375), (825, 83525), (975, 70675), (1285, 53625), (1375, 50115), (1625, 42405), (1875, 36751), (2145, 32125), (2827, 24375), (3341, 20625), (3575, 19275), (3855, 17875), (4125, 16705), (4875, 14135), (6425, 10725), (6875, 10023), (8125, 8481)]