2887920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 11427840

約数和(自身を除く): 8539920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 191, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 382, 420, 432, 504, 540, 560, 573, 630, 720, 756, 764, 840, 945, 955, 1008, 1080, 1146, 1260, 1337, 1512, 1528, 1680, 1719, 1890, 1910, 2160, 2292, 2520, 2674, 2865, 3024, 3056, 3438, 3780, 3820, 4011, 4584, 5040, 5157, 5348, 5730, 6685, 6876, 7560, 7640, 8022, 8595, 9168, 10314, 10696, 11460, 12033, 13370, 13752, 15120, 15280, 16044, 17190, 20055, 20628, 21392, 22920, 24066, 25785, 26740, 27504, 32088, 34380, 36099, 40110, 41256, 45840, 48132, 51570, 53480, 60165, 64176, 68760, 72198, 80220, 82512, 96264, 103140, 106960, 120330, 137520, 144396, 160440, 180495, 192528, 206280, 240660, 288792, 320880, 360990, 412560, 481320, 577584, 721980, 962640, 1443960, 2887920]

約数ペア:

[(1, 2887920), (2, 1443960), (3, 962640), (4, 721980), (5, 577584), (6, 481320), (7, 412560), (8, 360990), (9, 320880), (10, 288792), (12, 240660), (14, 206280), (15, 192528), (16, 180495), (18, 160440), (20, 144396), (21, 137520), (24, 120330), (27, 106960), (28, 103140), (30, 96264), (35, 82512), (36, 80220), (40, 72198), (42, 68760), (45, 64176), (48, 60165), (54, 53480), (56, 51570), (60, 48132), (63, 45840), (70, 41256), (72, 40110), (80, 36099), (84, 34380), (90, 32088), (105, 27504), (108, 26740), (112, 25785), (120, 24066), (126, 22920), (135, 21392), (140, 20628), (144, 20055), (168, 17190), (180, 16044), (189, 15280), (191, 15120), (210, 13752), (216, 13370), (240, 12033), (252, 11460), (270, 10696), (280, 10314), (315, 9168), (336, 8595), (360, 8022), (378, 7640), (382, 7560), (420, 6876), (432, 6685), (504, 5730), (540, 5348), (560, 5157), (573, 5040), (630, 4584), (720, 4011), (756, 3820), (764, 3780), (840, 3438), (945, 3056), (955, 3024), (1008, 2865), (1080, 2674), (1146, 2520), (1260, 2292), (1337, 2160), (1512, 1910), (1528, 1890), (1680, 1719)]