205756920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 192

約数和(自身を含む): 700876800

約数和(自身を除く): 495119880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 103, 120, 124, 155, 179, 180, 186, 206, 248, 279, 309, 310, 358, 360, 372, 412, 465, 515, 537, 558, 618, 620, 716, 744, 824, 895, 927, 930, 1030, 1074, 1116, 1236, 1240, 1395, 1432, 1545, 1611, 1790, 1854, 1860, 2060, 2148, 2232, 2472, 2685, 2790, 3090, 3193, 3222, 3580, 3708, 3720, 4120, 4296, 4635, 5370, 5549, 5580, 6180, 6386, 6444, 7160, 7416, 8055, 9270, 9579, 10740, 11098, 11160, 12360, 12772, 12888, 15965, 16110, 16647, 18437, 18540, 19158, 21480, 22196, 25544, 27745, 28737, 31930, 32220, 33294, 36874, 37080, 38316, 44392, 47895, 49941, 55311, 55490, 57474, 63860, 64440, 66588, 73748, 76632, 83235, 92185, 95790, 99882, 110622, 110980, 114948, 127720, 133176, 143685, 147496, 165933, 166470, 184370, 191580, 199764, 221244, 221960, 229896, 249705, 276555, 287370, 331866, 332940, 368740, 383160, 399528, 442488, 499410, 553110, 571547, 574740, 663732, 665880, 737480, 829665, 998820, 1106220, 1143094, 1149480, 1327464, 1659330, 1714641, 1997640, 2212440, 2286188, 2857735, 3318660, 3429282, 4572376, 5143923, 5715470, 6637320, 6858564, 8573205, 10287846, 11430940, 13717128, 17146410, 20575692, 22861880, 25719615, 34292820, 41151384, 51439230, 68585640, 102878460, 205756920]

約数ペア:

[(1, 205756920), (2, 102878460), (3, 68585640), (4, 51439230), (5, 41151384), (6, 34292820), (8, 25719615), (9, 22861880), (10, 20575692), (12, 17146410), (15, 13717128), (18, 11430940), (20, 10287846), (24, 8573205), (30, 6858564), (31, 6637320), (36, 5715470), (40, 5143923), (45, 4572376), (60, 3429282), (62, 3318660), (72, 2857735), (90, 2286188), (93, 2212440), (103, 1997640), (120, 1714641), (124, 1659330), (155, 1327464), (179, 1149480), (180, 1143094), (186, 1106220), (206, 998820), (248, 829665), (279, 737480), (309, 665880), (310, 663732), (358, 574740), (360, 571547), (372, 553110), (412, 499410), (465, 442488), (515, 399528), (537, 383160), (558, 368740), (618, 332940), (620, 331866), (716, 287370), (744, 276555), (824, 249705), (895, 229896), (927, 221960), (930, 221244), (1030, 199764), (1074, 191580), (1116, 184370), (1236, 166470), (1240, 165933), (1395, 147496), (1432, 143685), (1545, 133176), (1611, 127720), (1790, 114948), (1854, 110980), (1860, 110622), (2060, 99882), (2148, 95790), (2232, 92185), (2472, 83235), (2685, 76632), (2790, 73748), (3090, 66588), (3193, 64440), (3222, 63860), (3580, 57474), (3708, 55490), (3720, 55311), (4120, 49941), (4296, 47895), (4635, 44392), (5370, 38316), (5549, 37080), (5580, 36874), (6180, 33294), (6386, 32220), (6444, 31930), (7160, 28737), (7416, 27745), (8055, 25544), (9270, 22196), (9579, 21480), (10740, 19158), (11098, 18540), (11160, 18437), (12360, 16647), (12772, 16110), (12888, 15965)]