90638080

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 108

約数和(自身を含む): 235652760

約数和(自身を除く): 145014680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 419, 520, 640, 676, 832, 838, 845, 1040, 1280, 1352, 1664, 1676, 1690, 2080, 2095, 2704, 3328, 3352, 3380, 4160, 4190, 5408, 5447, 6704, 6760, 8320, 8380, 10816, 10894, 13408, 13520, 16640, 16760, 21632, 21788, 26816, 27040, 27235, 33520, 43264, 43576, 53632, 54080, 54470, 67040, 70811, 87152, 107264, 108160, 108940, 134080, 141622, 174304, 216320, 217880, 268160, 283244, 348608, 354055, 435760, 536320, 566488, 697216, 708110, 871520, 1132976, 1394432, 1416220, 1743040, 2265952, 2832440, 3486080, 4531904, 5664880, 6972160, 9063808, 11329760, 18127616, 22659520, 45319040, 90638080]

約数ペア:

[(1, 90638080), (2, 45319040), (4, 22659520), (5, 18127616), (8, 11329760), (10, 9063808), (13, 6972160), (16, 5664880), (20, 4531904), (26, 3486080), (32, 2832440), (40, 2265952), (52, 1743040), (64, 1416220), (65, 1394432), (80, 1132976), (104, 871520), (128, 708110), (130, 697216), (160, 566488), (169, 536320), (208, 435760), (256, 354055), (260, 348608), (320, 283244), (338, 268160), (416, 217880), (419, 216320), (520, 174304), (640, 141622), (676, 134080), (832, 108940), (838, 108160), (845, 107264), (1040, 87152), (1280, 70811), (1352, 67040), (1664, 54470), (1676, 54080), (1690, 53632), (2080, 43576), (2095, 43264), (2704, 33520), (3328, 27235), (3352, 27040), (3380, 26816), (4160, 21788), (4190, 21632), (5408, 16760), (5447, 16640), (6704, 13520), (6760, 13408), (8320, 10894), (8380, 10816)]