123779280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 402259968

約数和(自身を除く): 278480688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 127, 131, 155, 186, 240, 248, 254, 262, 310, 372, 381, 393, 465, 496, 508, 524, 620, 635, 655, 744, 762, 786, 930, 1016, 1048, 1240, 1270, 1310, 1488, 1524, 1572, 1860, 1905, 1965, 2032, 2096, 2480, 2540, 2620, 3048, 3144, 3720, 3810, 3930, 3937, 4061, 5080, 5240, 6096, 6288, 7440, 7620, 7860, 7874, 8122, 10160, 10480, 11811, 12183, 15240, 15720, 15748, 16244, 16637, 19685, 20305, 23622, 24366, 30480, 31440, 31496, 32488, 33274, 39370, 40610, 47244, 48732, 49911, 59055, 60915, 62992, 64976, 66548, 78740, 81220, 83185, 94488, 97464, 99822, 118110, 121830, 133096, 157480, 162440, 166370, 188976, 194928, 199644, 236220, 243660, 249555, 266192, 314960, 324880, 332740, 399288, 472440, 487320, 499110, 515747, 665480, 798576, 944880, 974640, 998220, 1031494, 1330960, 1547241, 1996440, 2062988, 2578735, 3094482, 3992880, 4125976, 5157470, 6188964, 7736205, 8251952, 10314940, 12377928, 15472410, 20629880, 24755856, 30944820, 41259760, 61889640, 123779280]

約数ペア:

[(1, 123779280), (2, 61889640), (3, 41259760), (4, 30944820), (5, 24755856), (6, 20629880), (8, 15472410), (10, 12377928), (12, 10314940), (15, 8251952), (16, 7736205), (20, 6188964), (24, 5157470), (30, 4125976), (31, 3992880), (40, 3094482), (48, 2578735), (60, 2062988), (62, 1996440), (80, 1547241), (93, 1330960), (120, 1031494), (124, 998220), (127, 974640), (131, 944880), (155, 798576), (186, 665480), (240, 515747), (248, 499110), (254, 487320), (262, 472440), (310, 399288), (372, 332740), (381, 324880), (393, 314960), (465, 266192), (496, 249555), (508, 243660), (524, 236220), (620, 199644), (635, 194928), (655, 188976), (744, 166370), (762, 162440), (786, 157480), (930, 133096), (1016, 121830), (1048, 118110), (1240, 99822), (1270, 97464), (1310, 94488), (1488, 83185), (1524, 81220), (1572, 78740), (1860, 66548), (1905, 64976), (1965, 62992), (2032, 60915), (2096, 59055), (2480, 49911), (2540, 48732), (2620, 47244), (3048, 40610), (3144, 39370), (3720, 33274), (3810, 32488), (3930, 31496), (3937, 31440), (4061, 30480), (5080, 24366), (5240, 23622), (6096, 20305), (6288, 19685), (7440, 16637), (7620, 16244), (7860, 15748), (7874, 15720), (8122, 15240), (10160, 12183), (10480, 11811)]