81488970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2356

約数の個数: 64

約数和(自身を含む): 218989440

約数和(自身を除く): 137500470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 685, 822, 1233, 1370, 2055, 2203, 2466, 3699, 4110, 4406, 6165, 6609, 7398, 11015, 12330, 13218, 18495, 19827, 22030, 33045, 36990, 39654, 59481, 66090, 99135, 118962, 198270, 297405, 301811, 594810, 603622, 905433, 1509055, 1810866, 2716299, 3018110, 4527165, 5432598, 8148897, 9054330, 13581495, 16297794, 27162990, 40744485, 81488970]

約数ペア:

[(1, 81488970), (2, 40744485), (3, 27162990), (5, 16297794), (6, 13581495), (9, 9054330), (10, 8148897), (15, 5432598), (18, 4527165), (27, 3018110), (30, 2716299), (45, 1810866), (54, 1509055), (90, 905433), (135, 603622), (137, 594810), (270, 301811), (274, 297405), (411, 198270), (685, 118962), (822, 99135), (1233, 66090), (1370, 59481), (2055, 39654), (2203, 36990), (2466, 33045), (3699, 22030), (4110, 19827), (4406, 18495), (6165, 13218), (6609, 12330), (7398, 11015)]