320579025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1187}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 573338304

約数和(自身を除く): 252759279

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 277, 325, 831, 975, 1187, 1385, 3561, 3601, 4155, 5935, 6925, 10803, 15431, 17805, 18005, 20775, 29675, 46293, 54015, 77155, 89025, 90025, 231465, 270075, 328799, 385775, 986397, 1157325, 1643995, 4274387, 4931985, 8219975, 12823161, 21371935, 24659925, 64115805, 106859675, 320579025]

約数ペア:

[(1, 320579025), (3, 106859675), (5, 64115805), (13, 24659925), (15, 21371935), (25, 12823161), (39, 8219975), (65, 4931985), (75, 4274387), (195, 1643995), (277, 1157325), (325, 986397), (831, 385775), (975, 328799), (1187, 270075), (1385, 231465), (3561, 90025), (3601, 89025), (4155, 77155), (5935, 54015), (6925, 46293), (10803, 29675), (15431, 20775), (17805, 18005)]