208686060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105397}}^1$

素因数の和:105423

約数の個数: 72

約数和(自身を含む): 690567696

約数和(自身を除く): 481881636

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, 1980, 105397, 210794, 316191, 421588, 526985, 632382, 948573, 1053970, 1159367, 1264764, 1580955, 1897146, 2107940, 2318734, 3161910, 3478101, 3794292, 4637468, 4742865, 5796835, 6323820, 6956202, 9485730, 10434303, 11593670, 13912404, 17390505, 18971460, 20868606, 23187340, 34781010, 41737212, 52171515, 69562020, 104343030, 208686060]

約数ペア:

[(1, 208686060), (2, 104343030), (3, 69562020), (4, 52171515), (5, 41737212), (6, 34781010), (9, 23187340), (10, 20868606), (11, 18971460), (12, 17390505), (15, 13912404), (18, 11593670), (20, 10434303), (22, 9485730), (30, 6956202), (33, 6323820), (36, 5796835), (44, 4742865), (45, 4637468), (55, 3794292), (60, 3478101), (66, 3161910), (90, 2318734), (99, 2107940), (110, 1897146), (132, 1580955), (165, 1264764), (180, 1159367), (198, 1053970), (220, 948573), (330, 632382), (396, 526985), (495, 421588), (660, 316191), (990, 210794), (1980, 105397)]