15205129975

素因数分解:

$5^2\times 7^3\times {\mathrm{151}}^1\times {\mathrm{11743}}^1$

素因数の和:11925

約数の個数: 48

約数和(自身を含む): 22135091200

約数和(自身を除く): 6929961225

約数列:

[1, 5, 7, 25, 35, 49, 151, 175, 245, 343, 755, 1057, 1225, 1715, 3775, 5285, 7399, 8575, 11743, 26425, 36995, 51793, 58715, 82201, 184975, 258965, 293575, 411005, 575407, 1294825, 1773193, 2055025, 2877035, 4027849, 8865965, 12412351, 14385175, 20139245, 44329825, 62061755, 86886457, 100696225, 310308775, 434432285, 608205199, 2172161425, 3041025995, 15205129975]

約数ペア:

[(1, 15205129975), (5, 3041025995), (7, 2172161425), (25, 608205199), (35, 434432285), (49, 310308775), (151, 100696225), (175, 86886457), (245, 62061755), (343, 44329825), (755, 20139245), (1057, 14385175), (1225, 12412351), (1715, 8865965), (3775, 4027849), (5285, 2877035), (7399, 2055025), (8575, 1773193), (11743, 1294825), (26425, 575407), (36995, 411005), (51793, 293575), (58715, 258965), (82201, 184975)]