66531840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8663}}^1$

素因数の和:8689

約数の個数: 80

約数和(自身を含む): 212718528

約数和(自身を除く): 146186688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8663, 17326, 25989, 34652, 43315, 51978, 69304, 86630, 103956, 129945, 138608, 173260, 207912, 259890, 277216, 346520, 415824, 519780, 554432, 693040, 831648, 1039560, 1108864, 1386080, 1663296, 2079120, 2217728, 2772160, 3326592, 4158240, 4435456, 5544320, 6653184, 8316480, 11088640, 13306368, 16632960, 22177280, 33265920, 66531840]

約数ペア:

[(1, 66531840), (2, 33265920), (3, 22177280), (4, 16632960), (5, 13306368), (6, 11088640), (8, 8316480), (10, 6653184), (12, 5544320), (15, 4435456), (16, 4158240), (20, 3326592), (24, 2772160), (30, 2217728), (32, 2079120), (40, 1663296), (48, 1386080), (60, 1108864), (64, 1039560), (80, 831648), (96, 693040), (120, 554432), (128, 519780), (160, 415824), (192, 346520), (240, 277216), (256, 259890), (320, 207912), (384, 173260), (480, 138608), (512, 129945), (640, 103956), (768, 86630), (960, 69304), (1280, 51978), (1536, 43315), (1920, 34652), (2560, 25989), (3840, 17326), (7680, 8663)]