128365875

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 271881792

約数和(自身を除く): 143515917

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 41, 45, 55, 69, 75, 99, 115, 121, 123, 125, 165, 205, 207, 225, 253, 275, 345, 363, 369, 375, 451, 495, 575, 605, 615, 759, 825, 943, 1025, 1035, 1089, 1125, 1265, 1353, 1375, 1725, 1815, 1845, 2255, 2277, 2475, 2783, 2829, 2875, 3025, 3075, 3795, 4059, 4125, 4715, 4961, 5125, 5175, 5445, 6325, 6765, 8349, 8487, 8625, 9075, 9225, 10373, 11275, 11385, 12375, 13915, 14145, 14883, 15125, 15375, 18975, 20295, 23575, 24805, 25047, 25875, 27225, 31119, 31625, 33825, 41745, 42435, 44649, 45375, 46125, 51865, 56375, 56925, 69575, 70725, 74415, 93357, 94875, 101475, 114103, 117875, 124025, 125235, 136125, 155595, 169125, 208725, 212175, 223245, 259325, 284625, 342309, 347875, 353625, 372075, 466785, 507375, 570515, 620125, 626175, 777975, 1026927, 1043625, 1060875, 1116225, 1296625, 1711545, 1860375, 2333925, 2852575, 3130875, 3889875, 5134635, 5581125, 8557725, 11669625, 14262875, 25673175, 42788625, 128365875]

約数ペア:

[(1, 128365875), (3, 42788625), (5, 25673175), (9, 14262875), (11, 11669625), (15, 8557725), (23, 5581125), (25, 5134635), (33, 3889875), (41, 3130875), (45, 2852575), (55, 2333925), (69, 1860375), (75, 1711545), (99, 1296625), (115, 1116225), (121, 1060875), (123, 1043625), (125, 1026927), (165, 777975), (205, 626175), (207, 620125), (225, 570515), (253, 507375), (275, 466785), (345, 372075), (363, 353625), (369, 347875), (375, 342309), (451, 284625), (495, 259325), (575, 223245), (605, 212175), (615, 208725), (759, 169125), (825, 155595), (943, 136125), (1025, 125235), (1035, 124025), (1089, 117875), (1125, 114103), (1265, 101475), (1353, 94875), (1375, 93357), (1725, 74415), (1815, 70725), (1845, 69575), (2255, 56925), (2277, 56375), (2475, 51865), (2783, 46125), (2829, 45375), (2875, 44649), (3025, 42435), (3075, 41745), (3795, 33825), (4059, 31625), (4125, 31119), (4715, 27225), (4961, 25875), (5125, 25047), (5175, 24805), (5445, 23575), (6325, 20295), (6765, 18975), (8349, 15375), (8487, 15125), (8625, 14883), (9075, 14145), (9225, 13915), (10373, 12375), (11275, 11385)]