209797560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27751}}^1$

素因数の和:27778

約数の個数: 128

約数和(自身を含む): 799257600

約数和(自身を除く): 589460040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27751, 55502, 83253, 111004, 138755, 166506, 194257, 222008, 249759, 277510, 333012, 388514, 416265, 499518, 555020, 582771, 666024, 749277, 777028, 832530, 971285, 999036, 1110040, 1165542, 1248795, 1498554, 1554056, 1665060, 1748313, 1942570, 1998072, 2331084, 2497590, 2913855, 2997108, 3330120, 3496626, 3746385, 3885140, 4662168, 4995180, 5244939, 5827710, 5994216, 6993252, 7492770, 7770280, 8741565, 9990360, 10489878, 11655420, 13986504, 14985540, 17483130, 20979756, 23310840, 26224695, 29971080, 34966260, 41959512, 52449390, 69932520, 104898780, 209797560]

約数ペア:

[(1, 209797560), (2, 104898780), (3, 69932520), (4, 52449390), (5, 41959512), (6, 34966260), (7, 29971080), (8, 26224695), (9, 23310840), (10, 20979756), (12, 17483130), (14, 14985540), (15, 13986504), (18, 11655420), (20, 10489878), (21, 9990360), (24, 8741565), (27, 7770280), (28, 7492770), (30, 6993252), (35, 5994216), (36, 5827710), (40, 5244939), (42, 4995180), (45, 4662168), (54, 3885140), (56, 3746385), (60, 3496626), (63, 3330120), (70, 2997108), (72, 2913855), (84, 2497590), (90, 2331084), (105, 1998072), (108, 1942570), (120, 1748313), (126, 1665060), (135, 1554056), (140, 1498554), (168, 1248795), (180, 1165542), (189, 1110040), (210, 999036), (216, 971285), (252, 832530), (270, 777028), (280, 749277), (315, 666024), (360, 582771), (378, 555020), (420, 499518), (504, 416265), (540, 388514), (630, 333012), (756, 277510), (840, 249759), (945, 222008), (1080, 194257), (1260, 166506), (1512, 138755), (1890, 111004), (2520, 83253), (3780, 55502), (7560, 27751)]