127730720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61409}}^1$

素因数の和:61437

約数の個数: 48

約数和(自身を含む): 324981720

約数和(自身を除く): 197251000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61409, 122818, 245636, 307045, 491272, 614090, 798317, 982544, 1228180, 1596634, 1965088, 2456360, 3193268, 3991585, 4912720, 6386536, 7983170, 9825440, 12773072, 15966340, 25546144, 31932680, 63865360, 127730720]

約数ペア:

[(1, 127730720), (2, 63865360), (4, 31932680), (5, 25546144), (8, 15966340), (10, 12773072), (13, 9825440), (16, 7983170), (20, 6386536), (26, 4912720), (32, 3991585), (40, 3193268), (52, 2456360), (65, 1965088), (80, 1596634), (104, 1228180), (130, 982544), (160, 798317), (208, 614090), (260, 491272), (416, 307045), (520, 245636), (1040, 122818), (2080, 61409)]