40392960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 131764416

約数和(自身を除く): 91371456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 157, 160, 192, 201, 240, 256, 268, 314, 320, 335, 384, 402, 471, 480, 536, 628, 640, 670, 768, 785, 804, 942, 960, 1005, 1072, 1256, 1280, 1340, 1570, 1608, 1884, 1920, 2010, 2144, 2355, 2512, 2680, 3140, 3216, 3768, 3840, 4020, 4288, 4710, 5024, 5360, 6280, 6432, 7536, 8040, 8576, 9420, 10048, 10519, 10720, 12560, 12864, 15072, 16080, 17152, 18840, 20096, 21038, 21440, 25120, 25728, 30144, 31557, 32160, 37680, 40192, 42076, 42880, 50240, 51456, 52595, 60288, 63114, 64320, 75360, 84152, 85760, 100480, 105190, 120576, 126228, 128640, 150720, 157785, 168304, 200960, 210380, 252456, 257280, 301440, 315570, 336608, 420760, 504912, 602880, 631140, 673216, 841520, 1009824, 1262280, 1346432, 1683040, 2019648, 2524560, 2692864, 3366080, 4039296, 5049120, 6732160, 8078592, 10098240, 13464320, 20196480, 40392960]

約数ペア:

[(1, 40392960), (2, 20196480), (3, 13464320), (4, 10098240), (5, 8078592), (6, 6732160), (8, 5049120), (10, 4039296), (12, 3366080), (15, 2692864), (16, 2524560), (20, 2019648), (24, 1683040), (30, 1346432), (32, 1262280), (40, 1009824), (48, 841520), (60, 673216), (64, 631140), (67, 602880), (80, 504912), (96, 420760), (120, 336608), (128, 315570), (134, 301440), (157, 257280), (160, 252456), (192, 210380), (201, 200960), (240, 168304), (256, 157785), (268, 150720), (314, 128640), (320, 126228), (335, 120576), (384, 105190), (402, 100480), (471, 85760), (480, 84152), (536, 75360), (628, 64320), (640, 63114), (670, 60288), (768, 52595), (785, 51456), (804, 50240), (942, 42880), (960, 42076), (1005, 40192), (1072, 37680), (1256, 32160), (1280, 31557), (1340, 30144), (1570, 25728), (1608, 25120), (1884, 21440), (1920, 21038), (2010, 20096), (2144, 18840), (2355, 17152), (2512, 16080), (2680, 15072), (3140, 12864), (3216, 12560), (3768, 10720), (3840, 10519), (4020, 10048), (4288, 9420), (4710, 8576), (5024, 8040), (5360, 7536), (6280, 6432)]