64687525680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1\times {\mathrm{1283}}^1$

素因数の和:2219

約数の個数: 160

約数和(自身を含む): 201567456000

約数和(自身を除く): 136879930320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 499, 842, 998, 1263, 1283, 1497, 1684, 1996, 2105, 2495, 2526, 2566, 2994, 3368, 3849, 3992, 4210, 4990, 5052, 5132, 5988, 6315, 6415, 6736, 7485, 7698, 7984, 8420, 9980, 10104, 10264, 11976, 12630, 12830, 14970, 15396, 16840, 19245, 19960, 20208, 20528, 23952, 25260, 25660, 29940, 30792, 33680, 38490, 39920, 50520, 51320, 59880, 61584, 76980, 101040, 102640, 119760, 153960, 210079, 307920, 420158, 540143, 630237, 640217, 840316, 1050395, 1080286, 1260474, 1280434, 1620429, 1680632, 1920651, 2100790, 2160572, 2520948, 2560868, 2700715, 3151185, 3201085, 3240858, 3361264, 3841302, 4201580, 4321144, 5041896, 5121736, 5401430, 6302370, 6402170, 6481716, 7682604, 8102145, 8403160, 8642288, 9603255, 10083792, 10243472, 10802860, 12604740, 12804340, 12963432, 15365208, 16204290, 16806320, 19206510, 21605720, 25209480, 25608680, 25926864, 30730416, 32408580, 38413020, 43211440, 50418960, 51217360, 64817160, 76826040, 129634320, 153652080, 269531357, 539062714, 808594071, 1078125428, 1347656785, 1617188142, 2156250856, 2695313570, 3234376284, 4042970355, 4312501712, 5390627140, 6468752568, 8085940710, 10781254280, 12937505136, 16171881420, 21562508560, 32343762840, 64687525680]

約数ペア:

[(1, 64687525680), (2, 32343762840), (3, 21562508560), (4, 16171881420), (5, 12937505136), (6, 10781254280), (8, 8085940710), (10, 6468752568), (12, 5390627140), (15, 4312501712), (16, 4042970355), (20, 3234376284), (24, 2695313570), (30, 2156250856), (40, 1617188142), (48, 1347656785), (60, 1078125428), (80, 808594071), (120, 539062714), (240, 269531357), (421, 153652080), (499, 129634320), (842, 76826040), (998, 64817160), (1263, 51217360), (1283, 50418960), (1497, 43211440), (1684, 38413020), (1996, 32408580), (2105, 30730416), (2495, 25926864), (2526, 25608680), (2566, 25209480), (2994, 21605720), (3368, 19206510), (3849, 16806320), (3992, 16204290), (4210, 15365208), (4990, 12963432), (5052, 12804340), (5132, 12604740), (5988, 10802860), (6315, 10243472), (6415, 10083792), (6736, 9603255), (7485, 8642288), (7698, 8403160), (7984, 8102145), (8420, 7682604), (9980, 6481716), (10104, 6402170), (10264, 6302370), (11976, 5401430), (12630, 5121736), (12830, 5041896), (14970, 4321144), (15396, 4201580), (16840, 3841302), (19245, 3361264), (19960, 3240858), (20208, 3201085), (20528, 3151185), (23952, 2700715), (25260, 2560868), (25660, 2520948), (29940, 2160572), (30792, 2100790), (33680, 1920651), (38490, 1680632), (39920, 1620429), (50520, 1280434), (51320, 1260474), (59880, 1080286), (61584, 1050395), (76980, 840316), (101040, 640217), (102640, 630237), (119760, 540143), (153960, 420158), (210079, 307920)]