212323980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{827}}^1$

素因数の和:1239

約数の個数: 96

約数和(自身を含む): 651006720

約数和(自身を除く): 438682740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 389, 660, 778, 827, 1167, 1556, 1654, 1945, 2334, 2481, 3308, 3890, 4135, 4279, 4668, 4962, 5835, 7780, 8270, 8558, 9097, 9924, 11670, 12405, 12837, 16540, 17116, 18194, 21395, 23340, 24810, 25674, 27291, 36388, 42790, 45485, 49620, 51348, 54582, 64185, 85580, 90970, 109164, 128370, 136455, 181940, 256740, 272910, 321703, 545820, 643406, 965109, 1286812, 1608515, 1930218, 3217030, 3538733, 3860436, 4825545, 6434060, 7077466, 9651090, 10616199, 14154932, 17693665, 19302180, 21232398, 35387330, 42464796, 53080995, 70774660, 106161990, 212323980]

約数ペア:

[(1, 212323980), (2, 106161990), (3, 70774660), (4, 53080995), (5, 42464796), (6, 35387330), (10, 21232398), (11, 19302180), (12, 17693665), (15, 14154932), (20, 10616199), (22, 9651090), (30, 7077466), (33, 6434060), (44, 4825545), (55, 3860436), (60, 3538733), (66, 3217030), (110, 1930218), (132, 1608515), (165, 1286812), (220, 965109), (330, 643406), (389, 545820), (660, 321703), (778, 272910), (827, 256740), (1167, 181940), (1556, 136455), (1654, 128370), (1945, 109164), (2334, 90970), (2481, 85580), (3308, 64185), (3890, 54582), (4135, 51348), (4279, 49620), (4668, 45485), (4962, 42790), (5835, 36388), (7780, 27291), (8270, 25674), (8558, 24810), (9097, 23340), (9924, 21395), (11670, 18194), (12405, 17116), (12837, 16540)]