205819380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 240

約数和(自身を含む): 721440720

約数和(自身を除く): 515621340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 81, 87, 90, 108, 116, 117, 130, 135, 145, 156, 162, 174, 180, 195, 234, 260, 261, 270, 290, 324, 337, 348, 351, 377, 390, 405, 435, 468, 522, 540, 580, 585, 674, 702, 754, 780, 783, 810, 870, 1011, 1044, 1053, 1131, 1170, 1305, 1348, 1404, 1508, 1566, 1620, 1685, 1740, 1755, 1885, 2022, 2106, 2262, 2340, 2349, 2610, 3033, 3132, 3370, 3393, 3510, 3770, 3915, 4044, 4212, 4381, 4524, 4698, 5055, 5220, 5265, 5655, 6066, 6740, 6786, 7020, 7540, 7830, 8762, 9099, 9396, 9773, 10110, 10179, 10530, 11310, 11745, 12132, 13143, 13572, 15165, 15660, 16965, 17524, 18198, 19546, 20220, 20358, 21060, 21905, 22620, 23490, 26286, 27297, 29319, 30330, 30537, 33930, 36396, 39092, 39429, 40716, 43810, 45495, 46980, 48865, 50895, 52572, 54594, 58638, 60660, 61074, 65715, 67860, 78858, 87620, 87957, 90990, 97730, 101790, 109188, 117276, 118287, 122148, 127049, 131430, 136485, 146595, 152685, 157716, 175914, 181980, 195460, 197145, 203580, 236574, 254098, 262860, 263871, 272970, 293190, 305370, 351828, 354861, 381147, 394290, 439785, 473148, 508196, 527742, 545940, 586380, 591435, 610740, 635245, 709722, 762294, 788580, 791613, 879570, 1055484, 1143441, 1182870, 1270490, 1319355, 1419444, 1524588, 1583226, 1759140, 1774305, 1905735, 2286882, 2365740, 2540980, 2638710, 3166452, 3430323, 3548610, 3811470, 3958065, 4573764, 5277420, 5717205, 6860646, 7097220, 7622940, 7916130, 10290969, 11434410, 13721292, 15832260, 17151615, 20581938, 22868820, 34303230, 41163876, 51454845, 68606460, 102909690, 205819380]

約数ペア:

[(1, 205819380), (2, 102909690), (3, 68606460), (4, 51454845), (5, 41163876), (6, 34303230), (9, 22868820), (10, 20581938), (12, 17151615), (13, 15832260), (15, 13721292), (18, 11434410), (20, 10290969), (26, 7916130), (27, 7622940), (29, 7097220), (30, 6860646), (36, 5717205), (39, 5277420), (45, 4573764), (52, 3958065), (54, 3811470), (58, 3548610), (60, 3430323), (65, 3166452), (78, 2638710), (81, 2540980), (87, 2365740), (90, 2286882), (108, 1905735), (116, 1774305), (117, 1759140), (130, 1583226), (135, 1524588), (145, 1419444), (156, 1319355), (162, 1270490), (174, 1182870), (180, 1143441), (195, 1055484), (234, 879570), (260, 791613), (261, 788580), (270, 762294), (290, 709722), (324, 635245), (337, 610740), (348, 591435), (351, 586380), (377, 545940), (390, 527742), (405, 508196), (435, 473148), (468, 439785), (522, 394290), (540, 381147), (580, 354861), (585, 351828), (674, 305370), (702, 293190), (754, 272970), (780, 263871), (783, 262860), (810, 254098), (870, 236574), (1011, 203580), (1044, 197145), (1053, 195460), (1131, 181980), (1170, 175914), (1305, 157716), (1348, 152685), (1404, 146595), (1508, 136485), (1566, 131430), (1620, 127049), (1685, 122148), (1740, 118287), (1755, 117276), (1885, 109188), (2022, 101790), (2106, 97730), (2262, 90990), (2340, 87957), (2349, 87620), (2610, 78858), (3033, 67860), (3132, 65715), (3370, 61074), (3393, 60660), (3510, 58638), (3770, 54594), (3915, 52572), (4044, 50895), (4212, 48865), (4381, 46980), (4524, 45495), (4698, 43810), (5055, 40716), (5220, 39429), (5265, 39092), (5655, 36396), (6066, 33930), (6740, 30537), (6786, 30330), (7020, 29319), (7540, 27297), (7830, 26286), (8762, 23490), (9099, 22620), (9396, 21905), (9773, 21060), (10110, 20358), (10179, 20220), (10530, 19546), (11310, 18198), (11745, 17524), (12132, 16965), (13143, 15660), (13572, 15165)]