20866265280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{345011}}^1$

素因数の和:345044

約数の個数: 224

約数和(自身を含む): 84127726080

約数和(自身を除く): 63261460800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 345011, 690022, 1035033, 1380044, 1725055, 2070066, 2415077, 2760088, 3105099, 3450110, 4140132, 4830154, 5175165, 5520176, 6210198, 6900220, 7245231, 8280264, 9315297, 9660308, 10350330, 11040352, 12075385, 12420396, 13800440, 14490462, 15525495, 16560528, 18630594, 19320616, 20700660, 21735693, 22080704, 24150770, 24840792, 27600880, 28980924, 31050990, 33121056, 36226155, 37261188, 38641232, 41401320, 43471386, 46576485, 48301540, 49681584, 55201760, 57961848, 62101980, 65207079, 66242112, 72452310, 74522376, 77282464, 82802640, 86942772, 93152970, 96603080, 99363168, 108678465, 110403520, 115923696, 124203960, 130414158, 144904620, 149044752, 154564928, 165605280, 173885544, 186305940, 193206160, 198726336, 217356930, 231847392, 248407920, 260828316, 289809240, 298089504, 326035395, 331210560, 347771088, 372611880, 386412320, 434713860, 463694784, 496815840, 521656632, 579618480, 596179008, 652070790, 695542176, 745223760, 772824640, 869427720, 993631680, 1043313264, 1159236960, 1304141580, 1391084352, 1490447520, 1738855440, 2086626528, 2318473920, 2608283160, 2980895040, 3477710880, 4173253056, 5216566320, 6955421760, 10433132640, 20866265280]

約数ペア:

[(1, 20866265280), (2, 10433132640), (3, 6955421760), (4, 5216566320), (5, 4173253056), (6, 3477710880), (7, 2980895040), (8, 2608283160), (9, 2318473920), (10, 2086626528), (12, 1738855440), (14, 1490447520), (15, 1391084352), (16, 1304141580), (18, 1159236960), (20, 1043313264), (21, 993631680), (24, 869427720), (27, 772824640), (28, 745223760), (30, 695542176), (32, 652070790), (35, 596179008), (36, 579618480), (40, 521656632), (42, 496815840), (45, 463694784), (48, 434713860), (54, 386412320), (56, 372611880), (60, 347771088), (63, 331210560), (64, 326035395), (70, 298089504), (72, 289809240), (80, 260828316), (84, 248407920), (90, 231847392), (96, 217356930), (105, 198726336), (108, 193206160), (112, 186305940), (120, 173885544), (126, 165605280), (135, 154564928), (140, 149044752), (144, 144904620), (160, 130414158), (168, 124203960), (180, 115923696), (189, 110403520), (192, 108678465), (210, 99363168), (216, 96603080), (224, 93152970), (240, 86942772), (252, 82802640), (270, 77282464), (280, 74522376), (288, 72452310), (315, 66242112), (320, 65207079), (336, 62101980), (360, 57961848), (378, 55201760), (420, 49681584), (432, 48301540), (448, 46576485), (480, 43471386), (504, 41401320), (540, 38641232), (560, 37261188), (576, 36226155), (630, 33121056), (672, 31050990), (720, 28980924), (756, 27600880), (840, 24840792), (864, 24150770), (945, 22080704), (960, 21735693), (1008, 20700660), (1080, 19320616), (1120, 18630594), (1260, 16560528), (1344, 15525495), (1440, 14490462), (1512, 13800440), (1680, 12420396), (1728, 12075385), (1890, 11040352), (2016, 10350330), (2160, 9660308), (2240, 9315297), (2520, 8280264), (2880, 7245231), (3024, 6900220), (3360, 6210198), (3780, 5520176), (4032, 5175165), (4320, 4830154), (5040, 4140132), (6048, 3450110), (6720, 3105099), (7560, 2760088), (8640, 2415077), (10080, 2070066), (12096, 1725055), (15120, 1380044), (20160, 1035033), (30240, 690022), (60480, 345011)]