257037120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2933

約数の個数: 168

約数和(自身を含む): 912936960

約数和(自身を除く): 655899840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2879, 2880, 2976, 3720, 4464, 4960, 5580, 5758, 5952, 7440, 8637, 8928, 9920, 11160, 11516, 14395, 14880, 17274, 17856, 22320, 23032, 25911, 28790, 29760, 34548, 43185, 44640, 46064, 51822, 57580, 69096, 86370, 89249, 89280, 92128, 103644, 115160, 129555, 138192, 172740, 178498, 184256, 207288, 230320, 259110, 267747, 276384, 345480, 356996, 414576, 446245, 460640, 518220, 535494, 552768, 690960, 713992, 803241, 829152, 892490, 921280, 1036440, 1070988, 1338735, 1381920, 1427984, 1606482, 1658304, 1784980, 2072880, 2141976, 2677470, 2763840, 2855968, 3212964, 3569960, 4016205, 4145760, 4283952, 5354940, 5711936, 6425928, 7139920, 8032410, 8291520, 8567904, 10709880, 12851856, 14279840, 16064820, 17135808, 21419760, 25703712, 28559680, 32129640, 42839520, 51407424, 64259280, 85679040, 128518560, 257037120]

約数ペア:

[(1, 257037120), (2, 128518560), (3, 85679040), (4, 64259280), (5, 51407424), (6, 42839520), (8, 32129640), (9, 28559680), (10, 25703712), (12, 21419760), (15, 17135808), (16, 16064820), (18, 14279840), (20, 12851856), (24, 10709880), (30, 8567904), (31, 8291520), (32, 8032410), (36, 7139920), (40, 6425928), (45, 5711936), (48, 5354940), (60, 4283952), (62, 4145760), (64, 4016205), (72, 3569960), (80, 3212964), (90, 2855968), (93, 2763840), (96, 2677470), (120, 2141976), (124, 2072880), (144, 1784980), (155, 1658304), (160, 1606482), (180, 1427984), (186, 1381920), (192, 1338735), (240, 1070988), (248, 1036440), (279, 921280), (288, 892490), (310, 829152), (320, 803241), (360, 713992), (372, 690960), (465, 552768), (480, 535494), (496, 518220), (558, 460640), (576, 446245), (620, 414576), (720, 356996), (744, 345480), (930, 276384), (960, 267747), (992, 259110), (1116, 230320), (1240, 207288), (1395, 184256), (1440, 178498), (1488, 172740), (1860, 138192), (1984, 129555), (2232, 115160), (2480, 103644), (2790, 92128), (2879, 89280), (2880, 89249), (2976, 86370), (3720, 69096), (4464, 57580), (4960, 51822), (5580, 46064), (5758, 44640), (5952, 43185), (7440, 34548), (8637, 29760), (8928, 28790), (9920, 25911), (11160, 23032), (11516, 22320), (14395, 17856), (14880, 17274)]