81943920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:724

約数の個数: 160

約数和(自身を含む): 287481600

約数和(自身を除く): 205537680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 108, 118, 120, 135, 144, 177, 180, 216, 236, 240, 270, 295, 354, 360, 432, 472, 531, 540, 590, 643, 708, 720, 885, 944, 1062, 1080, 1180, 1286, 1416, 1593, 1770, 1929, 2124, 2160, 2360, 2572, 2655, 2832, 3186, 3215, 3540, 3858, 4248, 4720, 5144, 5310, 5787, 6372, 6430, 7080, 7716, 7965, 8496, 9645, 10288, 10620, 11574, 12744, 12860, 14160, 15432, 15930, 17361, 19290, 21240, 23148, 25488, 25720, 28935, 30864, 31860, 34722, 37937, 38580, 42480, 46296, 51440, 57870, 63720, 69444, 75874, 77160, 86805, 92592, 113811, 115740, 127440, 138888, 151748, 154320, 173610, 189685, 227622, 231480, 277776, 303496, 341433, 347220, 379370, 455244, 462960, 569055, 606992, 682866, 694440, 758740, 910488, 1024299, 1138110, 1365732, 1388880, 1517480, 1707165, 1820976, 2048598, 2276220, 2731464, 3034960, 3414330, 4097196, 4552440, 5121495, 5462928, 6828660, 8194392, 9104880, 10242990, 13657320, 16388784, 20485980, 27314640, 40971960, 81943920]

約数ペア:

[(1, 81943920), (2, 40971960), (3, 27314640), (4, 20485980), (5, 16388784), (6, 13657320), (8, 10242990), (9, 9104880), (10, 8194392), (12, 6828660), (15, 5462928), (16, 5121495), (18, 4552440), (20, 4097196), (24, 3414330), (27, 3034960), (30, 2731464), (36, 2276220), (40, 2048598), (45, 1820976), (48, 1707165), (54, 1517480), (59, 1388880), (60, 1365732), (72, 1138110), (80, 1024299), (90, 910488), (108, 758740), (118, 694440), (120, 682866), (135, 606992), (144, 569055), (177, 462960), (180, 455244), (216, 379370), (236, 347220), (240, 341433), (270, 303496), (295, 277776), (354, 231480), (360, 227622), (432, 189685), (472, 173610), (531, 154320), (540, 151748), (590, 138888), (643, 127440), (708, 115740), (720, 113811), (885, 92592), (944, 86805), (1062, 77160), (1080, 75874), (1180, 69444), (1286, 63720), (1416, 57870), (1593, 51440), (1770, 46296), (1929, 42480), (2124, 38580), (2160, 37937), (2360, 34722), (2572, 31860), (2655, 30864), (2832, 28935), (3186, 25720), (3215, 25488), (3540, 23148), (3858, 21240), (4248, 19290), (4720, 17361), (5144, 15930), (5310, 15432), (5787, 14160), (6372, 12860), (6430, 12744), (7080, 11574), (7716, 10620), (7965, 10288), (8496, 9645)]