72931375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 107827200

約数和(自身を除く): 34895825

約数列:

[1, 5, 11, 25, 29, 31, 55, 59, 125, 145, 155, 275, 295, 319, 341, 649, 725, 775, 899, 1375, 1475, 1595, 1705, 1711, 1829, 3245, 3625, 3875, 4495, 7375, 7975, 8525, 8555, 9145, 9889, 16225, 18821, 20119, 22475, 39875, 42625, 42775, 45725, 49445, 53041, 81125, 94105, 100595, 112375, 213875, 228625, 247225, 265205, 470525, 502975, 583451, 1236125, 1326025, 2352625, 2514875, 2917255, 6630125, 14586275, 72931375]

約数ペア:

[(1, 72931375), (5, 14586275), (11, 6630125), (25, 2917255), (29, 2514875), (31, 2352625), (55, 1326025), (59, 1236125), (125, 583451), (145, 502975), (155, 470525), (275, 265205), (295, 247225), (319, 228625), (341, 213875), (649, 112375), (725, 100595), (775, 94105), (899, 81125), (1375, 53041), (1475, 49445), (1595, 45725), (1705, 42775), (1711, 42625), (1829, 39875), (3245, 22475), (3625, 20119), (3875, 18821), (4495, 16225), (7375, 9889), (7975, 9145), (8525, 8555)]