204580980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1534

約数の個数: 144

約数和(自身を含む): 669614400

約数和(自身を除く): 465033420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 285, 342, 369, 380, 410, 492, 570, 615, 684, 738, 779, 820, 855, 1140, 1230, 1459, 1476, 1558, 1710, 1845, 2337, 2460, 2918, 3116, 3420, 3690, 3895, 4377, 4674, 5836, 7011, 7295, 7380, 7790, 8754, 9348, 11685, 13131, 14022, 14590, 15580, 17508, 21885, 23370, 26262, 27721, 28044, 29180, 35055, 43770, 46740, 52524, 55442, 59819, 65655, 70110, 83163, 87540, 110884, 119638, 131310, 138605, 140220, 166326, 179457, 239276, 249489, 262620, 277210, 299095, 332652, 358914, 415815, 498978, 538371, 554420, 598190, 717828, 831630, 897285, 997956, 1076742, 1136561, 1196380, 1247445, 1663260, 1794570, 2153484, 2273122, 2494890, 2691855, 3409683, 3589140, 4546244, 4989780, 5383710, 5682805, 6819366, 10229049, 10767420, 11365610, 13638732, 17048415, 20458098, 22731220, 34096830, 40916196, 51145245, 68193660, 102290490, 204580980]

約数ペア:

[(1, 204580980), (2, 102290490), (3, 68193660), (4, 51145245), (5, 40916196), (6, 34096830), (9, 22731220), (10, 20458098), (12, 17048415), (15, 13638732), (18, 11365610), (19, 10767420), (20, 10229049), (30, 6819366), (36, 5682805), (38, 5383710), (41, 4989780), (45, 4546244), (57, 3589140), (60, 3409683), (76, 2691855), (82, 2494890), (90, 2273122), (95, 2153484), (114, 1794570), (123, 1663260), (164, 1247445), (171, 1196380), (180, 1136561), (190, 1076742), (205, 997956), (228, 897285), (246, 831630), (285, 717828), (342, 598190), (369, 554420), (380, 538371), (410, 498978), (492, 415815), (570, 358914), (615, 332652), (684, 299095), (738, 277210), (779, 262620), (820, 249489), (855, 239276), (1140, 179457), (1230, 166326), (1459, 140220), (1476, 138605), (1558, 131310), (1710, 119638), (1845, 110884), (2337, 87540), (2460, 83163), (2918, 70110), (3116, 65655), (3420, 59819), (3690, 55442), (3895, 52524), (4377, 46740), (4674, 43770), (5836, 35055), (7011, 29180), (7295, 28044), (7380, 27721), (7790, 26262), (8754, 23370), (9348, 21885), (11685, 17508), (13131, 15580), (14022, 14590)]