1620808832

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 3635280000

約数和(自身を除く): 2014471168

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 197, 199, 272, 304, 323, 394, 398, 544, 608, 646, 788, 796, 1088, 1216, 1292, 1576, 1592, 2176, 2432, 2584, 3152, 3184, 3349, 3383, 3743, 3781, 5168, 6304, 6368, 6698, 6766, 7486, 7562, 10336, 12608, 12736, 13396, 13532, 14972, 15124, 20672, 25216, 25472, 26792, 27064, 29944, 30248, 39203, 41344, 53584, 54128, 59888, 60496, 63631, 64277, 78406, 107168, 108256, 119776, 120992, 127262, 128554, 156812, 214336, 216512, 239552, 241984, 254524, 257108, 313624, 428672, 433024, 479104, 483968, 509048, 514216, 627248, 666451, 744857, 1018096, 1028432, 1254496, 1332902, 1489714, 2036192, 2056864, 2508992, 2665804, 2979428, 4072384, 4113728, 5017984, 5331608, 5958856, 8144768, 8227456, 10663216, 11917712, 12662569, 21326432, 23835424, 25325138, 42652864, 47670848, 50650276, 85305728, 95341696, 101300552, 202601104, 405202208, 810404416, 1620808832]

約数ペア:

[(1, 1620808832), (2, 810404416), (4, 405202208), (8, 202601104), (16, 101300552), (17, 95341696), (19, 85305728), (32, 50650276), (34, 47670848), (38, 42652864), (64, 25325138), (68, 23835424), (76, 21326432), (128, 12662569), (136, 11917712), (152, 10663216), (197, 8227456), (199, 8144768), (272, 5958856), (304, 5331608), (323, 5017984), (394, 4113728), (398, 4072384), (544, 2979428), (608, 2665804), (646, 2508992), (788, 2056864), (796, 2036192), (1088, 1489714), (1216, 1332902), (1292, 1254496), (1576, 1028432), (1592, 1018096), (2176, 744857), (2432, 666451), (2584, 627248), (3152, 514216), (3184, 509048), (3349, 483968), (3383, 479104), (3743, 433024), (3781, 428672), (5168, 313624), (6304, 257108), (6368, 254524), (6698, 241984), (6766, 239552), (7486, 216512), (7562, 214336), (10336, 156812), (12608, 128554), (12736, 127262), (13396, 120992), (13532, 119776), (14972, 108256), (15124, 107168), (20672, 78406), (25216, 64277), (25472, 63631), (26792, 60496), (27064, 59888), (29944, 54128), (30248, 53584), (39203, 41344)]