7800751620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{72109}}^1$

素因数の和:72725

約数の個数: 72

約数和(自身を含む): 23701980120

約数和(自身を除く): 15901228500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 601, 1202, 1803, 2404, 3005, 3606, 5409, 6010, 7212, 9015, 10818, 12020, 18030, 21636, 27045, 36060, 54090, 72109, 108180, 144218, 216327, 288436, 360545, 432654, 648981, 721090, 865308, 1081635, 1297962, 1442180, 2163270, 2595924, 3244905, 4326540, 6489810, 12979620, 43337509, 86675018, 130012527, 173350036, 216687545, 260025054, 390037581, 433375090, 520050108, 650062635, 780075162, 866750180, 1300125270, 1560150324, 1950187905, 2600250540, 3900375810, 7800751620]

約数ペア:

[(1, 7800751620), (2, 3900375810), (3, 2600250540), (4, 1950187905), (5, 1560150324), (6, 1300125270), (9, 866750180), (10, 780075162), (12, 650062635), (15, 520050108), (18, 433375090), (20, 390037581), (30, 260025054), (36, 216687545), (45, 173350036), (60, 130012527), (90, 86675018), (180, 43337509), (601, 12979620), (1202, 6489810), (1803, 4326540), (2404, 3244905), (3005, 2595924), (3606, 2163270), (5409, 1442180), (6010, 1297962), (7212, 1081635), (9015, 865308), (10818, 721090), (12020, 648981), (18030, 432654), (21636, 360545), (27045, 288436), (36060, 216327), (54090, 144218), (72109, 108180)]