128864640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1700

約数の個数: 128

約数和(自身を含む): 421031520

約数和(自身を除く): 292166880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 320, 328, 384, 410, 480, 492, 615, 640, 656, 820, 960, 984, 1230, 1312, 1637, 1640, 1920, 1968, 2460, 2624, 3274, 3280, 3936, 4911, 4920, 5248, 6548, 6560, 7872, 8185, 9822, 9840, 13096, 13120, 15744, 16370, 19644, 19680, 24555, 26192, 26240, 32740, 39288, 39360, 49110, 52384, 65480, 67117, 78576, 78720, 98220, 104768, 130960, 134234, 157152, 196440, 201351, 209536, 261920, 268468, 314304, 335585, 392880, 402702, 523840, 536936, 628608, 671170, 785760, 805404, 1006755, 1047680, 1073872, 1342340, 1571520, 1610808, 2013510, 2147744, 2684680, 3143040, 3221616, 4027020, 4295488, 5369360, 6443232, 8054040, 8590976, 10738720, 12886464, 16108080, 21477440, 25772928, 32216160, 42954880, 64432320, 128864640]

約数ペア:

[(1, 128864640), (2, 64432320), (3, 42954880), (4, 32216160), (5, 25772928), (6, 21477440), (8, 16108080), (10, 12886464), (12, 10738720), (15, 8590976), (16, 8054040), (20, 6443232), (24, 5369360), (30, 4295488), (32, 4027020), (40, 3221616), (41, 3143040), (48, 2684680), (60, 2147744), (64, 2013510), (80, 1610808), (82, 1571520), (96, 1342340), (120, 1073872), (123, 1047680), (128, 1006755), (160, 805404), (164, 785760), (192, 671170), (205, 628608), (240, 536936), (246, 523840), (320, 402702), (328, 392880), (384, 335585), (410, 314304), (480, 268468), (492, 261920), (615, 209536), (640, 201351), (656, 196440), (820, 157152), (960, 134234), (984, 130960), (1230, 104768), (1312, 98220), (1637, 78720), (1640, 78576), (1920, 67117), (1968, 65480), (2460, 52384), (2624, 49110), (3274, 39360), (3280, 39288), (3936, 32740), (4911, 26240), (4920, 26192), (5248, 24555), (6548, 19680), (6560, 19644), (7872, 16370), (8185, 15744), (9822, 13120), (9840, 13096)]