251480625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 465600960

約数和(自身を除く): 214120335

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 125, 137, 165, 267, 275, 375, 411, 445, 625, 685, 825, 979, 1335, 1375, 1507, 1875, 2055, 2225, 2937, 3425, 4125, 4521, 4895, 6675, 6875, 7535, 10275, 11125, 12193, 14685, 17125, 20625, 22605, 24475, 33375, 36579, 37675, 51375, 55625, 60965, 73425, 85625, 113025, 122375, 134123, 166875, 182895, 188375, 256875, 304825, 367125, 402369, 565125, 611875, 670615, 914475, 941875, 1524125, 1835625, 2011845, 2825625, 3353075, 4572375, 7620625, 10059225, 16765375, 22861875, 50296125, 83826875, 251480625]

約数ペア:

[(1, 251480625), (3, 83826875), (5, 50296125), (11, 22861875), (15, 16765375), (25, 10059225), (33, 7620625), (55, 4572375), (75, 3353075), (89, 2825625), (125, 2011845), (137, 1835625), (165, 1524125), (267, 941875), (275, 914475), (375, 670615), (411, 611875), (445, 565125), (625, 402369), (685, 367125), (825, 304825), (979, 256875), (1335, 188375), (1375, 182895), (1507, 166875), (1875, 134123), (2055, 122375), (2225, 113025), (2937, 85625), (3425, 73425), (4125, 60965), (4521, 55625), (4895, 51375), (6675, 37675), (6875, 36579), (7535, 33375), (10275, 24475), (11125, 22605), (12193, 20625), (14685, 17125)]