81216120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6701}}^1$

素因数の和:6816

約数の個数: 64

約数和(自身を含む): 246097440

約数和(自身を除く): 164881320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 6701, 12120, 13402, 20103, 26804, 33505, 40206, 53608, 67010, 80412, 100515, 134020, 160824, 201030, 268040, 402060, 676801, 804120, 1353602, 2030403, 2707204, 3384005, 4060806, 5414408, 6768010, 8121612, 10152015, 13536020, 16243224, 20304030, 27072040, 40608060, 81216120]

約数ペア:

[(1, 81216120), (2, 40608060), (3, 27072040), (4, 20304030), (5, 16243224), (6, 13536020), (8, 10152015), (10, 8121612), (12, 6768010), (15, 5414408), (20, 4060806), (24, 3384005), (30, 2707204), (40, 2030403), (60, 1353602), (101, 804120), (120, 676801), (202, 402060), (303, 268040), (404, 201030), (505, 160824), (606, 134020), (808, 100515), (1010, 80412), (1212, 67010), (1515, 53608), (2020, 40206), (2424, 33505), (3030, 26804), (4040, 20103), (6060, 13402), (6701, 12120)]