206991960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7949}}^1$

素因数の和:8001

約数の個数: 128

約数和(自身を含む): 732672000

約数和(自身を除く): 525680040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 7949, 8680, 13020, 15898, 23847, 26040, 31796, 39745, 47694, 55643, 63592, 79490, 95388, 111286, 119235, 158980, 166929, 190776, 222572, 238470, 246419, 278215, 317960, 333858, 445144, 476940, 492838, 556430, 667716, 739257, 834645, 953880, 985676, 1112860, 1232095, 1335432, 1478514, 1669290, 1724933, 1971352, 2225720, 2464190, 2957028, 3338580, 3449866, 3696285, 4928380, 5174799, 5914056, 6677160, 6899732, 7392570, 8624665, 9856760, 10349598, 13799464, 14785140, 17249330, 20699196, 25873995, 29570280, 34498660, 41398392, 51747990, 68997320, 103495980, 206991960]

約数ペア:

[(1, 206991960), (2, 103495980), (3, 68997320), (4, 51747990), (5, 41398392), (6, 34498660), (7, 29570280), (8, 25873995), (10, 20699196), (12, 17249330), (14, 14785140), (15, 13799464), (20, 10349598), (21, 9856760), (24, 8624665), (28, 7392570), (30, 6899732), (31, 6677160), (35, 5914056), (40, 5174799), (42, 4928380), (56, 3696285), (60, 3449866), (62, 3338580), (70, 2957028), (84, 2464190), (93, 2225720), (105, 1971352), (120, 1724933), (124, 1669290), (140, 1478514), (155, 1335432), (168, 1232095), (186, 1112860), (210, 985676), (217, 953880), (248, 834645), (280, 739257), (310, 667716), (372, 556430), (420, 492838), (434, 476940), (465, 445144), (620, 333858), (651, 317960), (744, 278215), (840, 246419), (868, 238470), (930, 222572), (1085, 190776), (1240, 166929), (1302, 158980), (1736, 119235), (1860, 111286), (2170, 95388), (2604, 79490), (3255, 63592), (3720, 55643), (4340, 47694), (5208, 39745), (6510, 31796), (7949, 26040), (8680, 23847), (13020, 15898)]