880270020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5501}}^1$

素因数の和:5650

約数の個数: 144

約数和(自身を含む): 3076190208

約数和(自身を除く): 2195920188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 630, 635, 762, 889, 1143, 1260, 1270, 1524, 1778, 1905, 2286, 2540, 2667, 3556, 3810, 4445, 4572, 5334, 5501, 5715, 7620, 8001, 8890, 10668, 11002, 11430, 13335, 16002, 16503, 17780, 22004, 22860, 26670, 27505, 32004, 33006, 38507, 40005, 49509, 53340, 55010, 66012, 77014, 80010, 82515, 99018, 110020, 115521, 154028, 160020, 165030, 192535, 198036, 231042, 247545, 330060, 346563, 385070, 462084, 495090, 577605, 693126, 698627, 770140, 990180, 1155210, 1386252, 1397254, 1732815, 2095881, 2310420, 2794508, 3465630, 3493135, 4191762, 4890389, 6287643, 6931260, 6986270, 8383524, 9780778, 10479405, 12575286, 13972540, 14671167, 19561556, 20958810, 24451945, 25150572, 29342334, 31438215, 41917620, 44013501, 48903890, 58684668, 62876430, 73355835, 88027002, 97807780, 125752860, 146711670, 176054004, 220067505, 293423340, 440135010, 880270020]

約数ペア:

[(1, 880270020), (2, 440135010), (3, 293423340), (4, 220067505), (5, 176054004), (6, 146711670), (7, 125752860), (9, 97807780), (10, 88027002), (12, 73355835), (14, 62876430), (15, 58684668), (18, 48903890), (20, 44013501), (21, 41917620), (28, 31438215), (30, 29342334), (35, 25150572), (36, 24451945), (42, 20958810), (45, 19561556), (60, 14671167), (63, 13972540), (70, 12575286), (84, 10479405), (90, 9780778), (105, 8383524), (126, 6986270), (127, 6931260), (140, 6287643), (180, 4890389), (210, 4191762), (252, 3493135), (254, 3465630), (315, 2794508), (381, 2310420), (420, 2095881), (508, 1732815), (630, 1397254), (635, 1386252), (762, 1155210), (889, 990180), (1143, 770140), (1260, 698627), (1270, 693126), (1524, 577605), (1778, 495090), (1905, 462084), (2286, 385070), (2540, 346563), (2667, 330060), (3556, 247545), (3810, 231042), (4445, 198036), (4572, 192535), (5334, 165030), (5501, 160020), (5715, 154028), (7620, 115521), (8001, 110020), (8890, 99018), (10668, 82515), (11002, 80010), (11430, 77014), (13335, 66012), (16002, 55010), (16503, 53340), (17780, 49509), (22004, 40005), (22860, 38507), (26670, 33006), (27505, 32004)]