81170375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 125798400

約数和(自身を除く): 44628025

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 125, 143, 209, 239, 247, 275, 325, 475, 715, 1045, 1195, 1235, 1375, 1625, 2375, 2629, 2717, 3107, 3575, 4541, 5225, 5975, 6175, 13145, 13585, 15535, 17875, 22705, 26125, 29875, 30875, 34177, 49951, 59033, 65725, 67925, 77675, 113525, 170885, 249755, 295165, 328625, 339625, 388375, 567625, 649363, 854425, 1248775, 1475825, 3246815, 4272125, 6243875, 7379125, 16234075, 81170375]

約数ペア:

[(1, 81170375), (5, 16234075), (11, 7379125), (13, 6243875), (19, 4272125), (25, 3246815), (55, 1475825), (65, 1248775), (95, 854425), (125, 649363), (143, 567625), (209, 388375), (239, 339625), (247, 328625), (275, 295165), (325, 249755), (475, 170885), (715, 113525), (1045, 77675), (1195, 67925), (1235, 65725), (1375, 59033), (1625, 49951), (2375, 34177), (2629, 30875), (2717, 29875), (3107, 26125), (3575, 22705), (4541, 17875), (5225, 15535), (5975, 13585), (6175, 13145)]