2195820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 7272720

約数和(自身を除く): 5076900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1109, 1980, 2218, 3327, 4436, 5545, 6654, 9981, 11090, 12199, 13308, 16635, 19962, 22180, 24398, 33270, 36597, 39924, 48796, 49905, 60995, 66540, 73194, 99810, 109791, 121990, 146388, 182985, 199620, 219582, 243980, 365970, 439164, 548955, 731940, 1097910, 2195820]

約数ペア:

[(1, 2195820), (2, 1097910), (3, 731940), (4, 548955), (5, 439164), (6, 365970), (9, 243980), (10, 219582), (11, 199620), (12, 182985), (15, 146388), (18, 121990), (20, 109791), (22, 99810), (30, 73194), (33, 66540), (36, 60995), (44, 49905), (45, 48796), (55, 39924), (60, 36597), (66, 33270), (90, 24398), (99, 22180), (110, 19962), (132, 16635), (165, 13308), (180, 12199), (198, 11090), (220, 9981), (330, 6654), (396, 5545), (495, 4436), (660, 3327), (990, 2218), (1109, 1980)]