20401736760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{49843}}^1$

素因数の和:50242

約数の個数: 128

約数和(自身を含む): 68186592000

約数和(自身を除く): 47784855240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 379, 540, 758, 1080, 1137, 1516, 1895, 2274, 3032, 3411, 3790, 4548, 5685, 6822, 7580, 9096, 10233, 11370, 13644, 15160, 17055, 20466, 22740, 27288, 34110, 40932, 45480, 49843, 51165, 68220, 81864, 99686, 102330, 136440, 149529, 199372, 204660, 249215, 299058, 398744, 409320, 448587, 498430, 598116, 747645, 897174, 996860, 1196232, 1345761, 1495290, 1794348, 1993720, 2242935, 2691522, 2990580, 3588696, 4485870, 5383044, 5981160, 6728805, 8971740, 10766088, 13457610, 17943480, 18890497, 26915220, 37780994, 53830440, 56671491, 75561988, 94452485, 113342982, 151123976, 170014473, 188904970, 226685964, 283357455, 340028946, 377809940, 453371928, 510043419, 566714910, 680057892, 755619880, 850072365, 1020086838, 1133429820, 1360115784, 1700144730, 2040173676, 2266859640, 2550217095, 3400289460, 4080347352, 5100434190, 6800578920, 10200868380, 20401736760]

約数ペア:

[(1, 20401736760), (2, 10200868380), (3, 6800578920), (4, 5100434190), (5, 4080347352), (6, 3400289460), (8, 2550217095), (9, 2266859640), (10, 2040173676), (12, 1700144730), (15, 1360115784), (18, 1133429820), (20, 1020086838), (24, 850072365), (27, 755619880), (30, 680057892), (36, 566714910), (40, 510043419), (45, 453371928), (54, 377809940), (60, 340028946), (72, 283357455), (90, 226685964), (108, 188904970), (120, 170014473), (135, 151123976), (180, 113342982), (216, 94452485), (270, 75561988), (360, 56671491), (379, 53830440), (540, 37780994), (758, 26915220), (1080, 18890497), (1137, 17943480), (1516, 13457610), (1895, 10766088), (2274, 8971740), (3032, 6728805), (3411, 5981160), (3790, 5383044), (4548, 4485870), (5685, 3588696), (6822, 2990580), (7580, 2691522), (9096, 2242935), (10233, 1993720), (11370, 1794348), (13644, 1495290), (15160, 1345761), (17055, 1196232), (20466, 996860), (22740, 897174), (27288, 747645), (34110, 598116), (40932, 498430), (45480, 448587), (49843, 409320), (51165, 398744), (68220, 299058), (81864, 249215), (99686, 204660), (102330, 199372), (136440, 149529)]