217800960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4400

約数の個数: 144

約数和(自身を含む): 749281344

約数和(自身を除く): 531480384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4363, 4992, 6240, 8320, 8726, 9984, 12480, 13089, 16640, 17452, 21815, 24960, 26178, 34904, 43630, 49920, 52356, 56719, 65445, 69808, 87260, 104712, 113438, 130890, 139616, 170157, 174520, 209424, 226876, 261780, 279232, 283595, 340314, 349040, 418848, 453752, 523560, 558464, 567190, 680628, 698080, 837696, 850785, 907504, 1047120, 1116928, 1134380, 1361256, 1396160, 1675392, 1701570, 1815008, 2094240, 2268760, 2722512, 2792320, 3350784, 3403140, 3630016, 4188480, 4537520, 5445024, 5584640, 6806280, 7260032, 8376960, 9075040, 10890048, 13612560, 14520064, 16753920, 18150080, 21780096, 27225120, 36300160, 43560192, 54450240, 72600320, 108900480, 217800960]

約数ペア:

[(1, 217800960), (2, 108900480), (3, 72600320), (4, 54450240), (5, 43560192), (6, 36300160), (8, 27225120), (10, 21780096), (12, 18150080), (13, 16753920), (15, 14520064), (16, 13612560), (20, 10890048), (24, 9075040), (26, 8376960), (30, 7260032), (32, 6806280), (39, 5584640), (40, 5445024), (48, 4537520), (52, 4188480), (60, 3630016), (64, 3403140), (65, 3350784), (78, 2792320), (80, 2722512), (96, 2268760), (104, 2094240), (120, 1815008), (128, 1701570), (130, 1675392), (156, 1396160), (160, 1361256), (192, 1134380), (195, 1116928), (208, 1047120), (240, 907504), (256, 850785), (260, 837696), (312, 698080), (320, 680628), (384, 567190), (390, 558464), (416, 523560), (480, 453752), (520, 418848), (624, 349040), (640, 340314), (768, 283595), (780, 279232), (832, 261780), (960, 226876), (1040, 209424), (1248, 174520), (1280, 170157), (1560, 139616), (1664, 130890), (1920, 113438), (2080, 104712), (2496, 87260), (3120, 69808), (3328, 65445), (3840, 56719), (4160, 52356), (4363, 49920), (4992, 43630), (6240, 34904), (8320, 26178), (8726, 24960), (9984, 21815), (12480, 17452), (13089, 16640)]