218531880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{86719}}^1$

素因数の和:86743

約数の個数: 96

約数和(自身を含む): 811699200

約数和(自身を除く): 593167320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 86719, 173438, 260157, 346876, 433595, 520314, 607033, 693752, 780471, 867190, 1040628, 1214066, 1300785, 1560942, 1734380, 1821099, 2081256, 2428132, 2601570, 3035165, 3121884, 3468760, 3642198, 3902355, 4856264, 5203140, 5463297, 6070330, 6243768, 7284396, 7804710, 9105495, 10406280, 10926594, 12140660, 14568792, 15609420, 18210990, 21853188, 24281320, 27316485, 31218840, 36421980, 43706376, 54632970, 72843960, 109265940, 218531880]

約数ペア:

[(1, 218531880), (2, 109265940), (3, 72843960), (4, 54632970), (5, 43706376), (6, 36421980), (7, 31218840), (8, 27316485), (9, 24281320), (10, 21853188), (12, 18210990), (14, 15609420), (15, 14568792), (18, 12140660), (20, 10926594), (21, 10406280), (24, 9105495), (28, 7804710), (30, 7284396), (35, 6243768), (36, 6070330), (40, 5463297), (42, 5203140), (45, 4856264), (56, 3902355), (60, 3642198), (63, 3468760), (70, 3121884), (72, 3035165), (84, 2601570), (90, 2428132), (105, 2081256), (120, 1821099), (126, 1734380), (140, 1560942), (168, 1300785), (180, 1214066), (210, 1040628), (252, 867190), (280, 780471), (315, 693752), (360, 607033), (420, 520314), (504, 433595), (630, 346876), (840, 260157), (1260, 173438), (2520, 86719)]