1980249870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{1367}}^1$

素因数の和:1929

約数の個数: 64

約数和(自身を含む): 4810544640

約数和(自身を除く): 2830294770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 443, 545, 654, 886, 1090, 1329, 1367, 1635, 2215, 2658, 2734, 3270, 4101, 4430, 6645, 6835, 8202, 13290, 13670, 20505, 41010, 48287, 96574, 144861, 149003, 241435, 289722, 298006, 447009, 482870, 605581, 724305, 745015, 894018, 1211162, 1448610, 1490030, 1816743, 2235045, 3027905, 3633486, 4470090, 6055810, 9083715, 18167430, 66008329, 132016658, 198024987, 330041645, 396049974, 660083290, 990124935, 1980249870]

約数ペア:

[(1, 1980249870), (2, 990124935), (3, 660083290), (5, 396049974), (6, 330041645), (10, 198024987), (15, 132016658), (30, 66008329), (109, 18167430), (218, 9083715), (327, 6055810), (443, 4470090), (545, 3633486), (654, 3027905), (886, 2235045), (1090, 1816743), (1329, 1490030), (1367, 1448610), (1635, 1211162), (2215, 894018), (2658, 745015), (2734, 724305), (3270, 605581), (4101, 482870), (4430, 447009), (6645, 298006), (6835, 289722), (8202, 241435), (13290, 149003), (13670, 144861), (20505, 96574), (41010, 48287)]