279520640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1520

約数の個数: 128

約数和(自身を含む): 781989120

約数和(自身を除く): 502468480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 280, 301, 320, 344, 430, 448, 560, 602, 640, 688, 860, 896, 1120, 1204, 1376, 1451, 1505, 1720, 2240, 2408, 2752, 2902, 3010, 3440, 4480, 4816, 5504, 5804, 6020, 6880, 7255, 9632, 10157, 11608, 12040, 13760, 14510, 19264, 20314, 23216, 24080, 27520, 29020, 38528, 40628, 46432, 48160, 50785, 58040, 62393, 81256, 92864, 96320, 101570, 116080, 124786, 162512, 185728, 192640, 203140, 232160, 249572, 311965, 325024, 406280, 436751, 464320, 499144, 623930, 650048, 812560, 873502, 928640, 998288, 1247860, 1300096, 1625120, 1747004, 1996576, 2183755, 2495720, 3250240, 3494008, 3993152, 4367510, 4991440, 6500480, 6988016, 7986304, 8735020, 9982880, 13976032, 17470040, 19965760, 27952064, 34940080, 39931520, 55904128, 69880160, 139760320, 279520640]

約数ペア:

[(1, 279520640), (2, 139760320), (4, 69880160), (5, 55904128), (7, 39931520), (8, 34940080), (10, 27952064), (14, 19965760), (16, 17470040), (20, 13976032), (28, 9982880), (32, 8735020), (35, 7986304), (40, 6988016), (43, 6500480), (56, 4991440), (64, 4367510), (70, 3993152), (80, 3494008), (86, 3250240), (112, 2495720), (128, 2183755), (140, 1996576), (160, 1747004), (172, 1625120), (215, 1300096), (224, 1247860), (280, 998288), (301, 928640), (320, 873502), (344, 812560), (430, 650048), (448, 623930), (560, 499144), (602, 464320), (640, 436751), (688, 406280), (860, 325024), (896, 311965), (1120, 249572), (1204, 232160), (1376, 203140), (1451, 192640), (1505, 185728), (1720, 162512), (2240, 124786), (2408, 116080), (2752, 101570), (2902, 96320), (3010, 92864), (3440, 81256), (4480, 62393), (4816, 58040), (5504, 50785), (5804, 48160), (6020, 46432), (6880, 40628), (7255, 38528), (9632, 29020), (10157, 27520), (11608, 24080), (12040, 23216), (13760, 20314), (14510, 19264)]