63875625

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 122960640

約数和(自身を除く): 59085015

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 163, 165, 209, 275, 285, 375, 475, 489, 625, 627, 815, 825, 1045, 1375, 1425, 1793, 1875, 2375, 2445, 3097, 3135, 4075, 4125, 5225, 5379, 6875, 7125, 8965, 9291, 11875, 12225, 15485, 15675, 20375, 20625, 26125, 26895, 34067, 35625, 44825, 46455, 61125, 77425, 78375, 101875, 102201, 130625, 134475, 170335, 224125, 232275, 305625, 387125, 391875, 511005, 672375, 851675, 1120625, 1161375, 1935625, 2555025, 3361875, 4258375, 5806875, 12775125, 21291875, 63875625]

約数ペア:

[(1, 63875625), (3, 21291875), (5, 12775125), (11, 5806875), (15, 4258375), (19, 3361875), (25, 2555025), (33, 1935625), (55, 1161375), (57, 1120625), (75, 851675), (95, 672375), (125, 511005), (163, 391875), (165, 387125), (209, 305625), (275, 232275), (285, 224125), (375, 170335), (475, 134475), (489, 130625), (625, 102201), (627, 101875), (815, 78375), (825, 77425), (1045, 61125), (1375, 46455), (1425, 44825), (1793, 35625), (1875, 34067), (2375, 26895), (2445, 26125), (3097, 20625), (3135, 20375), (4075, 15675), (4125, 15485), (5225, 12225), (5379, 11875), (6875, 9291), (7125, 8965)]