420867840

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1014

約数の個数: 144

約数和(自身を含む): 1356300288

約数和(自身を除く): 935432448

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, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 635, 640, 762, 768, 863, 960, 1016, 1270, 1280, 1524, 1726, 1905, 1920, 2032, 2540, 2589, 3048, 3452, 3810, 3840, 4064, 4315, 5080, 5178, 6096, 6904, 7620, 8128, 8630, 10160, 10356, 12192, 12945, 13808, 15240, 16256, 17260, 20320, 20712, 24384, 25890, 27616, 30480, 32512, 34520, 40640, 41424, 48768, 51780, 55232, 60960, 69040, 81280, 82848, 97536, 103560, 109601, 110464, 121920, 138080, 162560, 165696, 207120, 219202, 220928, 243840, 276160, 328803, 331392, 414240, 438404, 487680, 548005, 552320, 657606, 662784, 828480, 876808, 1096010, 1104640, 1315212, 1644015, 1656960, 1753616, 2192020, 2630424, 3288030, 3313920, 3507232, 4384040, 5260848, 6576060, 7014464, 8768080, 10521696, 13152120, 14028928, 17536160, 21043392, 26304240, 28057856, 35072320, 42086784, 52608480, 70144640, 84173568, 105216960, 140289280, 210433920, 420867840]

約数ペア:

[(1, 420867840), (2, 210433920), (3, 140289280), (4, 105216960), (5, 84173568), (6, 70144640), (8, 52608480), (10, 42086784), (12, 35072320), (15, 28057856), (16, 26304240), (20, 21043392), (24, 17536160), (30, 14028928), (32, 13152120), (40, 10521696), (48, 8768080), (60, 7014464), (64, 6576060), (80, 5260848), (96, 4384040), (120, 3507232), (127, 3313920), (128, 3288030), (160, 2630424), (192, 2192020), (240, 1753616), (254, 1656960), (256, 1644015), (320, 1315212), (381, 1104640), (384, 1096010), (480, 876808), (508, 828480), (635, 662784), (640, 657606), (762, 552320), (768, 548005), (863, 487680), (960, 438404), (1016, 414240), (1270, 331392), (1280, 328803), (1524, 276160), (1726, 243840), (1905, 220928), (1920, 219202), (2032, 207120), (2540, 165696), (2589, 162560), (3048, 138080), (3452, 121920), (3810, 110464), (3840, 109601), (4064, 103560), (4315, 97536), (5080, 82848), (5178, 81280), (6096, 69040), (6904, 60960), (7620, 55232), (8128, 51780), (8630, 48768), (10160, 41424), (10356, 40640), (12192, 34520), (12945, 32512), (13808, 30480), (15240, 27616), (16256, 25890), (17260, 24384), (20320, 20712)]