917217280

素因数分解:

$2^{13}\times 5^1\times 7^2\times {\mathrm{457}}^1$

素因数の和:502

約数の個数: 168

約数和(自身を含む): 2566167588

約数和(自身を除く): 1648950308

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 457, 490, 512, 560, 640, 784, 896, 914, 980, 1024, 1120, 1280, 1568, 1792, 1828, 1960, 2048, 2240, 2285, 2560, 3136, 3199, 3584, 3656, 3920, 4096, 4480, 4570, 5120, 6272, 6398, 7168, 7312, 7840, 8192, 8960, 9140, 10240, 12544, 12796, 14336, 14624, 15680, 15995, 17920, 18280, 20480, 22393, 25088, 25592, 28672, 29248, 31360, 31990, 35840, 36560, 40960, 44786, 50176, 51184, 57344, 58496, 62720, 63980, 71680, 73120, 89572, 100352, 102368, 111965, 116992, 125440, 127960, 143360, 146240, 179144, 200704, 204736, 223930, 233984, 250880, 255920, 286720, 292480, 358288, 401408, 409472, 447860, 467968, 501760, 511840, 584960, 716576, 818944, 895720, 935936, 1003520, 1023680, 1169920, 1433152, 1637888, 1791440, 1871872, 2007040, 2047360, 2339840, 2866304, 3275776, 3582880, 3743744, 4094720, 4679680, 5732608, 6551552, 7165760, 8189440, 9359360, 11465216, 13103104, 14331520, 16378880, 18718720, 22930432, 26206208, 28663040, 32757760, 45860864, 57326080, 65515520, 91721728, 114652160, 131031040, 183443456, 229304320, 458608640, 917217280]

約数ペア:

[(1, 917217280), (2, 458608640), (4, 229304320), (5, 183443456), (7, 131031040), (8, 114652160), (10, 91721728), (14, 65515520), (16, 57326080), (20, 45860864), (28, 32757760), (32, 28663040), (35, 26206208), (40, 22930432), (49, 18718720), (56, 16378880), (64, 14331520), (70, 13103104), (80, 11465216), (98, 9359360), (112, 8189440), (128, 7165760), (140, 6551552), (160, 5732608), (196, 4679680), (224, 4094720), (245, 3743744), (256, 3582880), (280, 3275776), (320, 2866304), (392, 2339840), (448, 2047360), (457, 2007040), (490, 1871872), (512, 1791440), (560, 1637888), (640, 1433152), (784, 1169920), (896, 1023680), (914, 1003520), (980, 935936), (1024, 895720), (1120, 818944), (1280, 716576), (1568, 584960), (1792, 511840), (1828, 501760), (1960, 467968), (2048, 447860), (2240, 409472), (2285, 401408), (2560, 358288), (3136, 292480), (3199, 286720), (3584, 255920), (3656, 250880), (3920, 233984), (4096, 223930), (4480, 204736), (4570, 200704), (5120, 179144), (6272, 146240), (6398, 143360), (7168, 127960), (7312, 125440), (7840, 116992), (8192, 111965), (8960, 102368), (9140, 100352), (10240, 89572), (12544, 73120), (12796, 71680), (14336, 63980), (14624, 62720), (15680, 58496), (15995, 57344), (17920, 51184), (18280, 50176), (20480, 44786), (22393, 40960), (25088, 36560), (25592, 35840), (28672, 31990), (29248, 31360)]