21560541840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{54347}}^1$

素因数の和:54414

約数の個数: 240

約数和(自身を含む): 78848078400

約数和(自身を除く): 57287536560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 80, 87, 90, 95, 114, 116, 120, 144, 145, 152, 171, 174, 180, 190, 228, 232, 240, 261, 285, 290, 304, 342, 348, 360, 380, 435, 456, 464, 522, 551, 570, 580, 684, 696, 720, 760, 855, 870, 912, 1044, 1102, 1140, 1160, 1305, 1368, 1392, 1520, 1653, 1710, 1740, 2088, 2204, 2280, 2320, 2610, 2736, 2755, 3306, 3420, 3480, 4176, 4408, 4560, 4959, 5220, 5510, 6612, 6840, 6960, 8265, 8816, 9918, 10440, 11020, 13224, 13680, 16530, 19836, 20880, 22040, 24795, 26448, 33060, 39672, 44080, 49590, 54347, 66120, 79344, 99180, 108694, 132240, 163041, 198360, 217388, 271735, 326082, 396720, 434776, 489123, 543470, 652164, 815205, 869552, 978246, 1032593, 1086940, 1304328, 1576063, 1630410, 1956492, 2065186, 2173880, 2445615, 2608656, 3097779, 3152126, 3260820, 3912984, 4130372, 4347760, 4728189, 4891230, 5162965, 6195558, 6304252, 6521640, 7825968, 7880315, 8260744, 9293337, 9456378, 9782460, 10325930, 12391116, 12608504, 13043280, 14184567, 15488895, 15760630, 16521488, 18586674, 18912756, 19564920, 20651860, 23640945, 24782232, 25217008, 28369134, 29945197, 30977790, 31521260, 37173348, 37825512, 39129840, 41303720, 46466685, 47281890, 49564464, 56738268, 59890394, 61955580, 63042520, 70922835, 74346696, 75651024, 82607440, 89835591, 92933370, 94563780, 113476536, 119780788, 123911160, 126085040, 141845670, 148693392, 149725985, 179671182, 185866740, 189127560, 226953072, 239561576, 247822320, 269506773, 283691340, 299451970, 359342364, 371733480, 378255120, 449177955, 479123152, 539013546, 567382680, 598903940, 718684728, 743466960, 898355910, 1078027092, 1134765360, 1197807880, 1347533865, 1437369456, 1796711820, 2156054184, 2395615760, 2695067730, 3593423640, 4312108368, 5390135460, 7186847280, 10780270920, 21560541840]

約数ペア:

[(1, 21560541840), (2, 10780270920), (3, 7186847280), (4, 5390135460), (5, 4312108368), (6, 3593423640), (8, 2695067730), (9, 2395615760), (10, 2156054184), (12, 1796711820), (15, 1437369456), (16, 1347533865), (18, 1197807880), (19, 1134765360), (20, 1078027092), (24, 898355910), (29, 743466960), (30, 718684728), (36, 598903940), (38, 567382680), (40, 539013546), (45, 479123152), (48, 449177955), (57, 378255120), (58, 371733480), (60, 359342364), (72, 299451970), (76, 283691340), (80, 269506773), (87, 247822320), (90, 239561576), (95, 226953072), (114, 189127560), (116, 185866740), (120, 179671182), (144, 149725985), (145, 148693392), (152, 141845670), (171, 126085040), (174, 123911160), (180, 119780788), (190, 113476536), (228, 94563780), (232, 92933370), (240, 89835591), (261, 82607440), (285, 75651024), (290, 74346696), (304, 70922835), (342, 63042520), (348, 61955580), (360, 59890394), (380, 56738268), (435, 49564464), (456, 47281890), (464, 46466685), (522, 41303720), (551, 39129840), (570, 37825512), (580, 37173348), (684, 31521260), (696, 30977790), (720, 29945197), (760, 28369134), (855, 25217008), (870, 24782232), (912, 23640945), (1044, 20651860), (1102, 19564920), (1140, 18912756), (1160, 18586674), (1305, 16521488), (1368, 15760630), (1392, 15488895), (1520, 14184567), (1653, 13043280), (1710, 12608504), (1740, 12391116), (2088, 10325930), (2204, 9782460), (2280, 9456378), (2320, 9293337), (2610, 8260744), (2736, 7880315), (2755, 7825968), (3306, 6521640), (3420, 6304252), (3480, 6195558), (4176, 5162965), (4408, 4891230), (4560, 4728189), (4959, 4347760), (5220, 4130372), (5510, 3912984), (6612, 3260820), (6840, 3152126), (6960, 3097779), (8265, 2608656), (8816, 2445615), (9918, 2173880), (10440, 2065186), (11020, 1956492), (13224, 1630410), (13680, 1576063), (16530, 1304328), (19836, 1086940), (20880, 1032593), (22040, 978246), (24795, 869552), (26448, 815205), (33060, 652164), (39672, 543470), (44080, 489123), (49590, 434776), (54347, 396720), (66120, 326082), (79344, 271735), (99180, 217388), (108694, 198360), (132240, 163041)]