51051420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1307}}^1$

素因数の和:1360

約数の個数: 144

約数和(自身を含む): 182827008

約数和(自身を除く): 131775588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1307, 1395, 1860, 1953, 2170, 2604, 2614, 2790, 3255, 3906, 3921, 4340, 5228, 5580, 6510, 6535, 7812, 7842, 9149, 9765, 11763, 13020, 13070, 15684, 18298, 19530, 19605, 23526, 26140, 27447, 36596, 39060, 39210, 40517, 45745, 47052, 54894, 58815, 78420, 81034, 82341, 91490, 109788, 117630, 121551, 137235, 162068, 164682, 182980, 202585, 235260, 243102, 274470, 283619, 329364, 364653, 405170, 411705, 486204, 548940, 567238, 607755, 729306, 810340, 823410, 850857, 1134476, 1215510, 1418095, 1458612, 1646820, 1701714, 1823265, 2431020, 2552571, 2836190, 3403428, 3646530, 4254285, 5105142, 5672380, 7293060, 8508570, 10210284, 12762855, 17017140, 25525710, 51051420]

約数ペア:

[(1, 51051420), (2, 25525710), (3, 17017140), (4, 12762855), (5, 10210284), (6, 8508570), (7, 7293060), (9, 5672380), (10, 5105142), (12, 4254285), (14, 3646530), (15, 3403428), (18, 2836190), (20, 2552571), (21, 2431020), (28, 1823265), (30, 1701714), (31, 1646820), (35, 1458612), (36, 1418095), (42, 1215510), (45, 1134476), (60, 850857), (62, 823410), (63, 810340), (70, 729306), (84, 607755), (90, 567238), (93, 548940), (105, 486204), (124, 411705), (126, 405170), (140, 364653), (155, 329364), (180, 283619), (186, 274470), (210, 243102), (217, 235260), (252, 202585), (279, 182980), (310, 164682), (315, 162068), (372, 137235), (420, 121551), (434, 117630), (465, 109788), (558, 91490), (620, 82341), (630, 81034), (651, 78420), (868, 58815), (930, 54894), (1085, 47052), (1116, 45745), (1260, 40517), (1302, 39210), (1307, 39060), (1395, 36596), (1860, 27447), (1953, 26140), (2170, 23526), (2604, 19605), (2614, 19530), (2790, 18298), (3255, 15684), (3906, 13070), (3921, 13020), (4340, 11763), (5228, 9765), (5580, 9149), (6510, 7842), (6535, 7812)]