257504640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3119}}^1$

素因数の和:3184

約数の個数: 128

約数和(自身を含む): 840153600

約数和(自身を除く): 582648960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1920, 2064, 2580, 2752, 3119, 3440, 4128, 5160, 5504, 6238, 6880, 8256, 9357, 10320, 12476, 13760, 15595, 16512, 18714, 20640, 24952, 27520, 31190, 37428, 41280, 46785, 49904, 62380, 74856, 82560, 93570, 99808, 124760, 134117, 149712, 187140, 199616, 249520, 268234, 299424, 374280, 399232, 402351, 499040, 536468, 598848, 670585, 748560, 804702, 998080, 1072936, 1197696, 1341170, 1497120, 1609404, 1996160, 2011755, 2145872, 2682340, 2994240, 3218808, 4023510, 4291744, 5364680, 5988480, 6437616, 8047020, 8583488, 10729360, 12875232, 16094040, 17166976, 21458720, 25750464, 32188080, 42917440, 51500928, 64376160, 85834880, 128752320, 257504640]

約数ペア:

[(1, 257504640), (2, 128752320), (3, 85834880), (4, 64376160), (5, 51500928), (6, 42917440), (8, 32188080), (10, 25750464), (12, 21458720), (15, 17166976), (16, 16094040), (20, 12875232), (24, 10729360), (30, 8583488), (32, 8047020), (40, 6437616), (43, 5988480), (48, 5364680), (60, 4291744), (64, 4023510), (80, 3218808), (86, 2994240), (96, 2682340), (120, 2145872), (128, 2011755), (129, 1996160), (160, 1609404), (172, 1497120), (192, 1341170), (215, 1197696), (240, 1072936), (258, 998080), (320, 804702), (344, 748560), (384, 670585), (430, 598848), (480, 536468), (516, 499040), (640, 402351), (645, 399232), (688, 374280), (860, 299424), (960, 268234), (1032, 249520), (1290, 199616), (1376, 187140), (1720, 149712), (1920, 134117), (2064, 124760), (2580, 99808), (2752, 93570), (3119, 82560), (3440, 74856), (4128, 62380), (5160, 49904), (5504, 46785), (6238, 41280), (6880, 37428), (8256, 31190), (9357, 27520), (10320, 24952), (12476, 20640), (13760, 18714), (15595, 16512)]