640853424

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{34499}}^1$

素因数の和:34559

約数の個数: 80

約数和(自身を含む): 1882320000

約数和(自身を除く): 1241466576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1161, 1548, 2064, 2322, 3096, 4644, 6192, 9288, 18576, 34499, 68998, 103497, 137996, 206994, 275992, 310491, 413988, 551984, 620982, 827976, 931473, 1241964, 1483457, 1655952, 1862946, 2483928, 2966914, 3725892, 4450371, 4967856, 5933828, 7451784, 8900742, 11867656, 13351113, 14903568, 17801484, 23735312, 26702226, 35602968, 40053339, 53404452, 71205936, 80106678, 106808904, 160213356, 213617808, 320426712, 640853424]

約数ペア:

[(1, 640853424), (2, 320426712), (3, 213617808), (4, 160213356), (6, 106808904), (8, 80106678), (9, 71205936), (12, 53404452), (16, 40053339), (18, 35602968), (24, 26702226), (27, 23735312), (36, 17801484), (43, 14903568), (48, 13351113), (54, 11867656), (72, 8900742), (86, 7451784), (108, 5933828), (129, 4967856), (144, 4450371), (172, 3725892), (216, 2966914), (258, 2483928), (344, 1862946), (387, 1655952), (432, 1483457), (516, 1241964), (688, 931473), (774, 827976), (1032, 620982), (1161, 551984), (1548, 413988), (2064, 310491), (2322, 275992), (3096, 206994), (4644, 137996), (6192, 103497), (9288, 68998), (18576, 34499)]