18870293025

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{20021}}^1$

素因数の和:20167

約数の個数: 72

約数和(自身を含む): 34857501120

約数和(自身を除く): 15987208095

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 71, 75, 177, 213, 225, 295, 355, 531, 639, 885, 1065, 1475, 1775, 2655, 3195, 4189, 4425, 5325, 12567, 13275, 15975, 20021, 20945, 37701, 60063, 62835, 100105, 104725, 180189, 188505, 300315, 314175, 500525, 900945, 942525, 1181239, 1421491, 1501575, 3543717, 4264473, 4504725, 5906195, 7107455, 10631151, 12793419, 17718585, 21322365, 29530975, 35537275, 53155755, 63967095, 83867969, 88592925, 106611825, 251603907, 265778775, 319835475, 419339845, 754811721, 1258019535, 2096699225, 3774058605, 6290097675, 18870293025]

約数ペア:

[(1, 18870293025), (3, 6290097675), (5, 3774058605), (9, 2096699225), (15, 1258019535), (25, 754811721), (45, 419339845), (59, 319835475), (71, 265778775), (75, 251603907), (177, 106611825), (213, 88592925), (225, 83867969), (295, 63967095), (355, 53155755), (531, 35537275), (639, 29530975), (885, 21322365), (1065, 17718585), (1475, 12793419), (1775, 10631151), (2655, 7107455), (3195, 5906195), (4189, 4504725), (4425, 4264473), (5325, 3543717), (12567, 1501575), (13275, 1421491), (15975, 1181239), (20021, 942525), (20945, 900945), (37701, 500525), (60063, 314175), (62835, 300315), (100105, 188505), (104725, 180189)]