681852080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:671

約数の個数: 160

約数和(自身を含む): 1964457600

約数和(自身を除く): 1282605520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 229, 260, 280, 364, 409, 455, 458, 520, 560, 728, 818, 910, 916, 1040, 1145, 1456, 1603, 1636, 1820, 1832, 2045, 2290, 2863, 2977, 3206, 3272, 3640, 3664, 4090, 4580, 5317, 5726, 5954, 6412, 6544, 7280, 8015, 8180, 9160, 10634, 11452, 11908, 12824, 14315, 14885, 16030, 16360, 18320, 20839, 21268, 22904, 23816, 25648, 26585, 28630, 29770, 32060, 32720, 37219, 41678, 42536, 45808, 47632, 53170, 57260, 59540, 64120, 74438, 83356, 85072, 93661, 104195, 106340, 114520, 119080, 128240, 148876, 166712, 186095, 187322, 208390, 212680, 229040, 238160, 297752, 333424, 372190, 374644, 416780, 425360, 468305, 595504, 655627, 744380, 749288, 833560, 936610, 1217593, 1311254, 1488760, 1498576, 1667120, 1873220, 2435186, 2622508, 2977520, 3278135, 3746440, 4870372, 5245016, 6087965, 6556270, 7492880, 8523151, 9740744, 10490032, 12175930, 13112540, 17046302, 19481488, 24351860, 26225080, 34092604, 42615755, 48703720, 52450160, 68185208, 85231510, 97407440, 136370416, 170463020, 340926040, 681852080]

約数ペア:

[(1, 681852080), (2, 340926040), (4, 170463020), (5, 136370416), (7, 97407440), (8, 85231510), (10, 68185208), (13, 52450160), (14, 48703720), (16, 42615755), (20, 34092604), (26, 26225080), (28, 24351860), (35, 19481488), (40, 17046302), (52, 13112540), (56, 12175930), (65, 10490032), (70, 9740744), (80, 8523151), (91, 7492880), (104, 6556270), (112, 6087965), (130, 5245016), (140, 4870372), (182, 3746440), (208, 3278135), (229, 2977520), (260, 2622508), (280, 2435186), (364, 1873220), (409, 1667120), (455, 1498576), (458, 1488760), (520, 1311254), (560, 1217593), (728, 936610), (818, 833560), (910, 749288), (916, 744380), (1040, 655627), (1145, 595504), (1456, 468305), (1603, 425360), (1636, 416780), (1820, 374644), (1832, 372190), (2045, 333424), (2290, 297752), (2863, 238160), (2977, 229040), (3206, 212680), (3272, 208390), (3640, 187322), (3664, 186095), (4090, 166712), (4580, 148876), (5317, 128240), (5726, 119080), (5954, 114520), (6412, 106340), (6544, 104195), (7280, 93661), (8015, 85072), (8180, 83356), (9160, 74438), (10634, 64120), (11452, 59540), (11908, 57260), (12824, 53170), (14315, 47632), (14885, 45808), (16030, 42536), (16360, 41678), (18320, 37219), (20839, 32720), (21268, 32060), (22904, 29770), (23816, 28630), (25648, 26585)]