77944880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 196862400

約数和(自身を除く): 118917520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 503, 520, 596, 745, 1006, 1040, 1192, 1490, 1937, 2012, 2384, 2515, 2980, 3874, 4024, 5030, 5960, 6539, 7748, 8048, 9685, 10060, 11920, 13078, 15496, 19370, 20120, 26156, 30992, 32695, 38740, 40240, 52312, 65390, 74947, 77480, 104624, 130780, 149894, 154960, 261560, 299788, 374735, 523120, 599576, 749470, 974311, 1199152, 1498940, 1948622, 2997880, 3897244, 4871555, 5995760, 7794488, 9743110, 15588976, 19486220, 38972440, 77944880]

約数ペア:

[(1, 77944880), (2, 38972440), (4, 19486220), (5, 15588976), (8, 9743110), (10, 7794488), (13, 5995760), (16, 4871555), (20, 3897244), (26, 2997880), (40, 1948622), (52, 1498940), (65, 1199152), (80, 974311), (104, 749470), (130, 599576), (149, 523120), (208, 374735), (260, 299788), (298, 261560), (503, 154960), (520, 149894), (596, 130780), (745, 104624), (1006, 77480), (1040, 74947), (1192, 65390), (1490, 52312), (1937, 40240), (2012, 38740), (2384, 32695), (2515, 30992), (2980, 26156), (3874, 20120), (4024, 19370), (5030, 15496), (5960, 13078), (6539, 11920), (7748, 10060), (8048, 9685)]