220377780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:535

約数の個数: 192

約数和(自身を含む): 790433280

約数和(自身を除く): 570055500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 173, 180, 189, 210, 252, 270, 315, 337, 346, 378, 420, 519, 540, 630, 674, 692, 756, 865, 945, 1011, 1038, 1211, 1260, 1348, 1557, 1685, 1730, 1890, 2022, 2076, 2359, 2422, 2595, 3033, 3114, 3370, 3460, 3633, 3780, 4044, 4671, 4718, 4844, 5055, 5190, 6055, 6066, 6228, 6740, 7077, 7266, 7785, 9099, 9342, 9436, 10110, 10380, 10899, 11795, 12110, 12132, 14154, 14532, 15165, 15570, 18165, 18198, 18684, 20220, 21231, 21798, 23355, 23590, 24220, 28308, 30330, 31140, 32697, 35385, 36330, 36396, 42462, 43596, 45495, 46710, 47180, 54495, 58301, 60660, 63693, 65394, 70770, 72660, 84924, 90990, 93420, 106155, 108990, 116602, 127386, 130788, 141540, 163485, 174903, 181980, 212310, 217980, 233204, 254772, 291505, 318465, 326970, 349806, 408107, 424620, 524709, 583010, 636930, 653940, 699612, 816214, 874515, 1049418, 1166020, 1224321, 1273860, 1574127, 1632428, 1749030, 2040535, 2098836, 2448642, 2623545, 3148254, 3498060, 3672963, 4081070, 4897284, 5247090, 6121605, 6296508, 7345926, 7870635, 8162140, 10494180, 11018889, 12243210, 14691852, 15741270, 18364815, 22037778, 24486420, 31482540, 36729630, 44075556, 55094445, 73459260, 110188890, 220377780]

約数ペア:

[(1, 220377780), (2, 110188890), (3, 73459260), (4, 55094445), (5, 44075556), (6, 36729630), (7, 31482540), (9, 24486420), (10, 22037778), (12, 18364815), (14, 15741270), (15, 14691852), (18, 12243210), (20, 11018889), (21, 10494180), (27, 8162140), (28, 7870635), (30, 7345926), (35, 6296508), (36, 6121605), (42, 5247090), (45, 4897284), (54, 4081070), (60, 3672963), (63, 3498060), (70, 3148254), (84, 2623545), (90, 2448642), (105, 2098836), (108, 2040535), (126, 1749030), (135, 1632428), (140, 1574127), (173, 1273860), (180, 1224321), (189, 1166020), (210, 1049418), (252, 874515), (270, 816214), (315, 699612), (337, 653940), (346, 636930), (378, 583010), (420, 524709), (519, 424620), (540, 408107), (630, 349806), (674, 326970), (692, 318465), (756, 291505), (865, 254772), (945, 233204), (1011, 217980), (1038, 212310), (1211, 181980), (1260, 174903), (1348, 163485), (1557, 141540), (1685, 130788), (1730, 127386), (1890, 116602), (2022, 108990), (2076, 106155), (2359, 93420), (2422, 90990), (2595, 84924), (3033, 72660), (3114, 70770), (3370, 65394), (3460, 63693), (3633, 60660), (3780, 58301), (4044, 54495), (4671, 47180), (4718, 46710), (4844, 45495), (5055, 43596), (5190, 42462), (6055, 36396), (6066, 36330), (6228, 35385), (6740, 32697), (7077, 31140), (7266, 30330), (7785, 28308), (9099, 24220), (9342, 23590), (9436, 23355), (10110, 21798), (10380, 21231), (10899, 20220), (11795, 18684), (12110, 18198), (12132, 18165), (14154, 15570), (14532, 15165)]