21177125280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{38803}}^1$

素因数の和:39203

約数の個数: 144

約数和(自身を含む): 72459485280

約数和(自身を除く): 51282360000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 379, 480, 720, 758, 1137, 1440, 1516, 1895, 2274, 3032, 3411, 3790, 4548, 5685, 6064, 6822, 7580, 9096, 11370, 12128, 13644, 15160, 17055, 18192, 22740, 27288, 30320, 34110, 36384, 38803, 45480, 54576, 60640, 68220, 77606, 90960, 109152, 116409, 136440, 155212, 181920, 194015, 232818, 272880, 310424, 349227, 388030, 465636, 545760, 582045, 620848, 698454, 776060, 931272, 1164090, 1241696, 1396908, 1552120, 1746135, 1862544, 2328180, 2793816, 3104240, 3492270, 3725088, 4656360, 5587632, 6208480, 6984540, 9312720, 11175264, 13969080, 14706337, 18625440, 27938160, 29412674, 44119011, 55876320, 58825348, 73531685, 88238022, 117650696, 132357033, 147063370, 176476044, 220595055, 235301392, 264714066, 294126740, 352952088, 441190110, 470602784, 529428132, 588253480, 661785165, 705904176, 882380220, 1058856264, 1176506960, 1323570330, 1411808352, 1764760440, 2117712528, 2353013920, 2647140660, 3529520880, 4235425056, 5294281320, 7059041760, 10588562640, 21177125280]

約数ペア:

[(1, 21177125280), (2, 10588562640), (3, 7059041760), (4, 5294281320), (5, 4235425056), (6, 3529520880), (8, 2647140660), (9, 2353013920), (10, 2117712528), (12, 1764760440), (15, 1411808352), (16, 1323570330), (18, 1176506960), (20, 1058856264), (24, 882380220), (30, 705904176), (32, 661785165), (36, 588253480), (40, 529428132), (45, 470602784), (48, 441190110), (60, 352952088), (72, 294126740), (80, 264714066), (90, 235301392), (96, 220595055), (120, 176476044), (144, 147063370), (160, 132357033), (180, 117650696), (240, 88238022), (288, 73531685), (360, 58825348), (379, 55876320), (480, 44119011), (720, 29412674), (758, 27938160), (1137, 18625440), (1440, 14706337), (1516, 13969080), (1895, 11175264), (2274, 9312720), (3032, 6984540), (3411, 6208480), (3790, 5587632), (4548, 4656360), (5685, 3725088), (6064, 3492270), (6822, 3104240), (7580, 2793816), (9096, 2328180), (11370, 1862544), (12128, 1746135), (13644, 1552120), (15160, 1396908), (17055, 1241696), (18192, 1164090), (22740, 931272), (27288, 776060), (30320, 698454), (34110, 620848), (36384, 582045), (38803, 545760), (45480, 465636), (54576, 388030), (60640, 349227), (68220, 310424), (77606, 272880), (90960, 232818), (109152, 194015), (116409, 181920), (136440, 155212)]