129823360

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1989

約数の個数: 64

約数和(自身を含む): 313374600

約数和(自身を除く): 183551240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 1861, 2180, 3488, 3722, 4360, 6976, 7444, 8720, 9305, 13952, 14888, 17440, 18610, 29776, 34880, 37220, 59552, 69760, 74440, 119104, 148880, 202849, 238208, 297760, 405698, 595520, 811396, 1014245, 1191040, 1622792, 2028490, 3245584, 4056980, 6491168, 8113960, 12982336, 16227920, 25964672, 32455840, 64911680, 129823360]

約数ペア:

[(1, 129823360), (2, 64911680), (4, 32455840), (5, 25964672), (8, 16227920), (10, 12982336), (16, 8113960), (20, 6491168), (32, 4056980), (40, 3245584), (64, 2028490), (80, 1622792), (109, 1191040), (128, 1014245), (160, 811396), (218, 595520), (320, 405698), (436, 297760), (545, 238208), (640, 202849), (872, 148880), (1090, 119104), (1744, 74440), (1861, 69760), (2180, 59552), (3488, 37220), (3722, 34880), (4360, 29776), (6976, 18610), (7444, 17440), (8720, 14888), (9305, 13952)]