388520640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:767

約数の個数: 168

約数和(自身を含む): 1343729088

約数和(自身を除く): 955208448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 313, 320, 360, 431, 480, 576, 626, 720, 862, 939, 960, 1252, 1293, 1440, 1565, 1724, 1878, 2155, 2504, 2586, 2817, 2880, 3130, 3448, 3756, 3879, 4310, 4695, 5008, 5172, 5634, 6260, 6465, 6896, 7512, 7758, 8620, 9390, 10016, 10344, 11268, 12520, 12930, 13792, 14085, 15024, 15516, 17240, 18780, 19395, 20032, 20688, 22536, 25040, 25860, 27584, 28170, 30048, 31032, 34480, 37560, 38790, 41376, 45072, 50080, 51720, 56340, 60096, 62064, 68960, 75120, 77580, 82752, 90144, 100160, 103440, 112680, 124128, 134903, 137920, 150240, 155160, 180288, 206880, 225360, 248256, 269806, 300480, 310320, 404709, 413760, 450720, 539612, 620640, 674515, 809418, 901440, 1079224, 1214127, 1241280, 1349030, 1618836, 2023545, 2158448, 2428254, 2698060, 3237672, 4047090, 4316896, 4856508, 5396120, 6070635, 6475344, 8094180, 8633792, 9713016, 10792240, 12141270, 12950688, 16188360, 19426032, 21584480, 24282540, 25901376, 32376720, 38852064, 43168960, 48565080, 64753440, 77704128, 97130160, 129506880, 194260320, 388520640]

約数ペア:

[(1, 388520640), (2, 194260320), (3, 129506880), (4, 97130160), (5, 77704128), (6, 64753440), (8, 48565080), (9, 43168960), (10, 38852064), (12, 32376720), (15, 25901376), (16, 24282540), (18, 21584480), (20, 19426032), (24, 16188360), (30, 12950688), (32, 12141270), (36, 10792240), (40, 9713016), (45, 8633792), (48, 8094180), (60, 6475344), (64, 6070635), (72, 5396120), (80, 4856508), (90, 4316896), (96, 4047090), (120, 3237672), (144, 2698060), (160, 2428254), (180, 2158448), (192, 2023545), (240, 1618836), (288, 1349030), (313, 1241280), (320, 1214127), (360, 1079224), (431, 901440), (480, 809418), (576, 674515), (626, 620640), (720, 539612), (862, 450720), (939, 413760), (960, 404709), (1252, 310320), (1293, 300480), (1440, 269806), (1565, 248256), (1724, 225360), (1878, 206880), (2155, 180288), (2504, 155160), (2586, 150240), (2817, 137920), (2880, 134903), (3130, 124128), (3448, 112680), (3756, 103440), (3879, 100160), (4310, 90144), (4695, 82752), (5008, 77580), (5172, 75120), (5634, 68960), (6260, 62064), (6465, 60096), (6896, 56340), (7512, 51720), (7758, 50080), (8620, 45072), (9390, 41376), (10016, 38790), (10344, 37560), (11268, 34480), (12520, 31032), (12930, 30048), (13792, 28170), (14085, 27584), (15024, 25860), (15516, 25040), (17240, 22536), (18780, 20688), (19395, 20032)]