654320856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:589

約数の個数: 128

約数和(自身を含む): 1916006400

約数和(自身を除く): 1261685544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 59, 84, 118, 168, 177, 236, 251, 263, 354, 413, 472, 502, 526, 708, 753, 789, 826, 1004, 1052, 1239, 1416, 1506, 1578, 1652, 1757, 1841, 2008, 2104, 2478, 3012, 3156, 3304, 3514, 3682, 4956, 5271, 5523, 6024, 6312, 7028, 7364, 9912, 10542, 11046, 14056, 14728, 14809, 15517, 21084, 22092, 29618, 31034, 42168, 44184, 44427, 46551, 59236, 62068, 66013, 88854, 93102, 103663, 108619, 118472, 124136, 132026, 177708, 186204, 198039, 207326, 217238, 264052, 310989, 325857, 355416, 372408, 396078, 414652, 434476, 462091, 528104, 621978, 651714, 792156, 829304, 868952, 924182, 1243956, 1303428, 1386273, 1584312, 1848364, 2487912, 2606856, 2772546, 3696728, 3894767, 5545092, 7789534, 11090184, 11684301, 15579068, 23368602, 27263369, 31158136, 46737204, 54526738, 81790107, 93474408, 109053476, 163580214, 218106952, 327160428, 654320856]

約数ペア:

[(1, 654320856), (2, 327160428), (3, 218106952), (4, 163580214), (6, 109053476), (7, 93474408), (8, 81790107), (12, 54526738), (14, 46737204), (21, 31158136), (24, 27263369), (28, 23368602), (42, 15579068), (56, 11684301), (59, 11090184), (84, 7789534), (118, 5545092), (168, 3894767), (177, 3696728), (236, 2772546), (251, 2606856), (263, 2487912), (354, 1848364), (413, 1584312), (472, 1386273), (502, 1303428), (526, 1243956), (708, 924182), (753, 868952), (789, 829304), (826, 792156), (1004, 651714), (1052, 621978), (1239, 528104), (1416, 462091), (1506, 434476), (1578, 414652), (1652, 396078), (1757, 372408), (1841, 355416), (2008, 325857), (2104, 310989), (2478, 264052), (3012, 217238), (3156, 207326), (3304, 198039), (3514, 186204), (3682, 177708), (4956, 132026), (5271, 124136), (5523, 118472), (6024, 108619), (6312, 103663), (7028, 93102), (7364, 88854), (9912, 66013), (10542, 62068), (11046, 59236), (14056, 46551), (14728, 44427), (14809, 44184), (15517, 42168), (21084, 31034), (22092, 29618)]