2081781520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12433}}^1$

素因数の和:12489

約数の個数: 160

約数和(自身を含む): 6216602112

約数和(自身を除く): 4134820592

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 161, 182, 184, 208, 230, 260, 280, 299, 322, 364, 368, 455, 460, 520, 560, 598, 644, 728, 805, 910, 920, 1040, 1196, 1288, 1456, 1495, 1610, 1820, 1840, 2093, 2392, 2576, 2990, 3220, 3640, 4186, 4784, 5980, 6440, 7280, 8372, 10465, 11960, 12433, 12880, 16744, 20930, 23920, 24866, 33488, 41860, 49732, 62165, 83720, 87031, 99464, 124330, 161629, 167440, 174062, 198928, 248660, 285959, 323258, 348124, 435155, 497320, 571918, 646516, 696248, 808145, 870310, 994640, 1131403, 1143836, 1293032, 1392496, 1429795, 1616290, 1740620, 2001713, 2262806, 2287672, 2586064, 2859590, 3232580, 3481240, 3717467, 4003426, 4525612, 4575344, 5657015, 5719180, 6465160, 6962480, 7434934, 8006852, 9051224, 10008565, 11314030, 11438360, 12930320, 14869868, 16013704, 18102448, 18587335, 20017130, 22628060, 22876720, 26022269, 29739736, 32027408, 37174670, 40034260, 45256120, 52044538, 59479472, 74349340, 80068520, 90512240, 104089076, 130111345, 148698680, 160137040, 208178152, 260222690, 297397360, 416356304, 520445380, 1040890760, 2081781520]

約数ペア:

[(1, 2081781520), (2, 1040890760), (4, 520445380), (5, 416356304), (7, 297397360), (8, 260222690), (10, 208178152), (13, 160137040), (14, 148698680), (16, 130111345), (20, 104089076), (23, 90512240), (26, 80068520), (28, 74349340), (35, 59479472), (40, 52044538), (46, 45256120), (52, 40034260), (56, 37174670), (65, 32027408), (70, 29739736), (80, 26022269), (91, 22876720), (92, 22628060), (104, 20017130), (112, 18587335), (115, 18102448), (130, 16013704), (140, 14869868), (161, 12930320), (182, 11438360), (184, 11314030), (208, 10008565), (230, 9051224), (260, 8006852), (280, 7434934), (299, 6962480), (322, 6465160), (364, 5719180), (368, 5657015), (455, 4575344), (460, 4525612), (520, 4003426), (560, 3717467), (598, 3481240), (644, 3232580), (728, 2859590), (805, 2586064), (910, 2287672), (920, 2262806), (1040, 2001713), (1196, 1740620), (1288, 1616290), (1456, 1429795), (1495, 1392496), (1610, 1293032), (1820, 1143836), (1840, 1131403), (2093, 994640), (2392, 870310), (2576, 808145), (2990, 696248), (3220, 646516), (3640, 571918), (4186, 497320), (4784, 435155), (5980, 348124), (6440, 323258), (7280, 285959), (8372, 248660), (10465, 198928), (11960, 174062), (12433, 167440), (12880, 161629), (16744, 124330), (20930, 99464), (23920, 87031), (24866, 83720), (33488, 62165), (41860, 49732)]