205417620

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 168

約数和(自身を含む): 659026536

約数和(自身を除く): 453608916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 193, 219, 243, 270, 292, 324, 365, 386, 405, 438, 486, 540, 579, 657, 729, 730, 772, 810, 876, 965, 972, 1095, 1158, 1215, 1314, 1458, 1460, 1620, 1737, 1930, 1971, 2190, 2316, 2430, 2628, 2895, 2916, 3285, 3474, 3645, 3860, 3942, 4380, 4860, 5211, 5790, 5913, 6570, 6948, 7290, 7884, 8685, 9855, 10422, 11580, 11826, 13140, 14089, 14580, 15633, 17370, 17739, 19710, 20844, 23652, 26055, 28178, 29565, 31266, 34740, 35478, 39420, 42267, 46899, 52110, 53217, 56356, 59130, 62532, 70445, 70956, 78165, 84534, 88695, 93798, 104220, 106434, 118260, 126801, 140697, 140890, 156330, 169068, 177390, 187596, 211335, 212868, 234495, 253602, 266085, 281394, 281780, 312660, 354780, 380403, 422670, 468990, 507204, 532170, 562788, 634005, 703485, 760806, 845340, 937980, 1064340, 1141209, 1268010, 1406970, 1521612, 1902015, 2282418, 2536020, 2813940, 3423627, 3804030, 4564836, 5706045, 6847254, 7608060, 10270881, 11412090, 13694508, 17118135, 20541762, 22824180, 34236270, 41083524, 51354405, 68472540, 102708810, 205417620]

約数ペア:

[(1, 205417620), (2, 102708810), (3, 68472540), (4, 51354405), (5, 41083524), (6, 34236270), (9, 22824180), (10, 20541762), (12, 17118135), (15, 13694508), (18, 11412090), (20, 10270881), (27, 7608060), (30, 6847254), (36, 5706045), (45, 4564836), (54, 3804030), (60, 3423627), (73, 2813940), (81, 2536020), (90, 2282418), (108, 1902015), (135, 1521612), (146, 1406970), (162, 1268010), (180, 1141209), (193, 1064340), (219, 937980), (243, 845340), (270, 760806), (292, 703485), (324, 634005), (365, 562788), (386, 532170), (405, 507204), (438, 468990), (486, 422670), (540, 380403), (579, 354780), (657, 312660), (729, 281780), (730, 281394), (772, 266085), (810, 253602), (876, 234495), (965, 212868), (972, 211335), (1095, 187596), (1158, 177390), (1215, 169068), (1314, 156330), (1458, 140890), (1460, 140697), (1620, 126801), (1737, 118260), (1930, 106434), (1971, 104220), (2190, 93798), (2316, 88695), (2430, 84534), (2628, 78165), (2895, 70956), (2916, 70445), (3285, 62532), (3474, 59130), (3645, 56356), (3860, 53217), (3942, 52110), (4380, 46899), (4860, 42267), (5211, 39420), (5790, 35478), (5913, 34740), (6570, 31266), (6948, 29565), (7290, 28178), (7884, 26055), (8685, 23652), (9855, 20844), (10422, 19710), (11580, 17739), (11826, 17370), (13140, 15633), (14089, 14580)]