644517120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12911}}^1$

素因数の和:12948

約数の個数: 144

約数和(自身を含む): 2216938752

約数和(自身を除く): 1572421632

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, 4992, 6240, 8320, 9984, 12480, 12911, 16640, 24960, 25822, 38733, 49920, 51644, 64555, 77466, 103288, 129110, 154932, 167843, 193665, 206576, 258220, 309864, 335686, 387330, 413152, 503529, 516440, 619728, 671372, 774660, 826304, 839215, 1007058, 1032880, 1239456, 1342744, 1549320, 1652608, 1678430, 2014116, 2065760, 2478912, 2517645, 2685488, 3098640, 3305216, 3356860, 4028232, 4131520, 4957824, 5035290, 5370976, 6197280, 6713720, 8056464, 8263040, 9915648, 10070580, 10741952, 12394560, 13427440, 16112928, 16526080, 20141160, 21483904, 24789120, 26854880, 32225856, 40282320, 42967808, 49578240, 53709760, 64451712, 80564640, 107419520, 128903424, 161129280, 214839040, 322258560, 644517120]

約数ペア:

[(1, 644517120), (2, 322258560), (3, 214839040), (4, 161129280), (5, 128903424), (6, 107419520), (8, 80564640), (10, 64451712), (12, 53709760), (13, 49578240), (15, 42967808), (16, 40282320), (20, 32225856), (24, 26854880), (26, 24789120), (30, 21483904), (32, 20141160), (39, 16526080), (40, 16112928), (48, 13427440), (52, 12394560), (60, 10741952), (64, 10070580), (65, 9915648), (78, 8263040), (80, 8056464), (96, 6713720), (104, 6197280), (120, 5370976), (128, 5035290), (130, 4957824), (156, 4131520), (160, 4028232), (192, 3356860), (195, 3305216), (208, 3098640), (240, 2685488), (256, 2517645), (260, 2478912), (312, 2065760), (320, 2014116), (384, 1678430), (390, 1652608), (416, 1549320), (480, 1342744), (520, 1239456), (624, 1032880), (640, 1007058), (768, 839215), (780, 826304), (832, 774660), (960, 671372), (1040, 619728), (1248, 516440), (1280, 503529), (1560, 413152), (1664, 387330), (1920, 335686), (2080, 309864), (2496, 258220), (3120, 206576), (3328, 193665), (3840, 167843), (4160, 154932), (4992, 129110), (6240, 103288), (8320, 77466), (9984, 64555), (12480, 51644), (12911, 49920), (16640, 38733), (24960, 25822)]