180876475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1448

約数の個数: 36

約数和(自身を含む): 250882752

約数和(自身を除く): 70006277

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 1381, 2015, 4225, 5239, 6905, 10075, 17953, 26195, 34525, 42811, 89765, 130975, 214055, 233389, 448825, 556543, 1070275, 1166945, 2782715, 5834725, 7235059, 13913575, 36175295, 180876475]

約数ペア:

[(1, 180876475), (5, 36175295), (13, 13913575), (25, 7235059), (31, 5834725), (65, 2782715), (155, 1166945), (169, 1070275), (325, 556543), (403, 448825), (775, 233389), (845, 214055), (1381, 130975), (2015, 89765), (4225, 42811), (5239, 34525), (6905, 26195), (10075, 17953)]