81623040

素因数分解:

$2^{11}\times 3^1\times 5^1\times {\mathrm{2657}}^1$

素因数の和:2687

約数の個数: 96

約数和(自身を含む): 261228240

約数和(自身を除く): 179605200

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, 1024, 1280, 1536, 1920, 2048, 2560, 2657, 3072, 3840, 5120, 5314, 6144, 7680, 7971, 10240, 10628, 13285, 15360, 15942, 21256, 26570, 30720, 31884, 39855, 42512, 53140, 63768, 79710, 85024, 106280, 127536, 159420, 170048, 212560, 255072, 318840, 340096, 425120, 510144, 637680, 680192, 850240, 1020288, 1275360, 1360384, 1700480, 2040576, 2550720, 2720768, 3400960, 4081152, 5101440, 5441536, 6801920, 8162304, 10202880, 13603840, 16324608, 20405760, 27207680, 40811520, 81623040]

約数ペア:

[(1, 81623040), (2, 40811520), (3, 27207680), (4, 20405760), (5, 16324608), (6, 13603840), (8, 10202880), (10, 8162304), (12, 6801920), (15, 5441536), (16, 5101440), (20, 4081152), (24, 3400960), (30, 2720768), (32, 2550720), (40, 2040576), (48, 1700480), (60, 1360384), (64, 1275360), (80, 1020288), (96, 850240), (120, 680192), (128, 637680), (160, 510144), (192, 425120), (240, 340096), (256, 318840), (320, 255072), (384, 212560), (480, 170048), (512, 159420), (640, 127536), (768, 106280), (960, 85024), (1024, 79710), (1280, 63768), (1536, 53140), (1920, 42512), (2048, 39855), (2560, 31884), (2657, 30720), (3072, 26570), (3840, 21256), (5120, 15942), (5314, 15360), (6144, 13285), (7680, 10628), (7971, 10240)]