209506860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1601}}^1$

素因数の和:2343

約数の個数: 72

約数和(自身を含む): 636775776

約数和(自身を除く): 427268916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 727, 1454, 1601, 2181, 2908, 3202, 3635, 4362, 4803, 6404, 6543, 7270, 8005, 8724, 9606, 10905, 13086, 14409, 14540, 16010, 19212, 21810, 24015, 26172, 28818, 32020, 32715, 43620, 48030, 57636, 65430, 72045, 96060, 130860, 144090, 288180, 1163927, 2327854, 3491781, 4655708, 5819635, 6983562, 10475343, 11639270, 13967124, 17458905, 20950686, 23278540, 34917810, 41901372, 52376715, 69835620, 104753430, 209506860]

約数ペア:

[(1, 209506860), (2, 104753430), (3, 69835620), (4, 52376715), (5, 41901372), (6, 34917810), (9, 23278540), (10, 20950686), (12, 17458905), (15, 13967124), (18, 11639270), (20, 10475343), (30, 6983562), (36, 5819635), (45, 4655708), (60, 3491781), (90, 2327854), (180, 1163927), (727, 288180), (1454, 144090), (1601, 130860), (2181, 96060), (2908, 72045), (3202, 65430), (3635, 57636), (4362, 48030), (4803, 43620), (6404, 32715), (6543, 32020), (7270, 28818), (8005, 26172), (8724, 24015), (9606, 21810), (10905, 19212), (13086, 16010), (14409, 14540)]