390721920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1033}}^1$

素因数の和:1252

約数の個数: 128

約数和(自身を含む): 1252959840

約数和(自身を除く): 862237920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 197, 240, 320, 384, 394, 480, 591, 640, 788, 960, 985, 1033, 1182, 1576, 1920, 1970, 2066, 2364, 2955, 3099, 3152, 3940, 4132, 4728, 5165, 5910, 6198, 6304, 7880, 8264, 9456, 10330, 11820, 12396, 12608, 15495, 15760, 16528, 18912, 20660, 23640, 24792, 25216, 30990, 31520, 33056, 37824, 41320, 47280, 49584, 61980, 63040, 66112, 75648, 82640, 94560, 99168, 123960, 126080, 132224, 165280, 189120, 198336, 203501, 247920, 330560, 378240, 396672, 407002, 495840, 610503, 661120, 814004, 991680, 1017505, 1221006, 1628008, 1983360, 2035010, 2442012, 3052515, 3256016, 4070020, 4884024, 6105030, 6512032, 8140040, 9768048, 12210060, 13024064, 16280080, 19536096, 24420120, 26048128, 32560160, 39072192, 48840240, 65120320, 78144384, 97680480, 130240640, 195360960, 390721920]

約数ペア:

[(1, 390721920), (2, 195360960), (3, 130240640), (4, 97680480), (5, 78144384), (6, 65120320), (8, 48840240), (10, 39072192), (12, 32560160), (15, 26048128), (16, 24420120), (20, 19536096), (24, 16280080), (30, 13024064), (32, 12210060), (40, 9768048), (48, 8140040), (60, 6512032), (64, 6105030), (80, 4884024), (96, 4070020), (120, 3256016), (128, 3052515), (160, 2442012), (192, 2035010), (197, 1983360), (240, 1628008), (320, 1221006), (384, 1017505), (394, 991680), (480, 814004), (591, 661120), (640, 610503), (788, 495840), (960, 407002), (985, 396672), (1033, 378240), (1182, 330560), (1576, 247920), (1920, 203501), (1970, 198336), (2066, 189120), (2364, 165280), (2955, 132224), (3099, 126080), (3152, 123960), (3940, 99168), (4132, 94560), (4728, 82640), (5165, 75648), (5910, 66112), (6198, 63040), (6304, 61980), (7880, 49584), (8264, 47280), (9456, 41320), (10330, 37824), (11820, 33056), (12396, 31520), (12608, 30990), (15495, 25216), (15760, 24792), (16528, 23640), (18912, 20660)]