647339760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1877}}^1$

素因数の和:2375

約数の個数: 120

約数和(自身を含む): 2179681920

約数和(自身を除く): 1532342160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 479, 720, 958, 1437, 1877, 1916, 2395, 2874, 3754, 3832, 4311, 4790, 5631, 5748, 7185, 7508, 7664, 8622, 9385, 9580, 11262, 11496, 14370, 15016, 16893, 17244, 18770, 19160, 21555, 22524, 22992, 28155, 28740, 30032, 33786, 34488, 37540, 38320, 43110, 45048, 56310, 57480, 67572, 68976, 75080, 84465, 86220, 90096, 112620, 114960, 135144, 150160, 168930, 172440, 225240, 270288, 337860, 344880, 450480, 675720, 899083, 1351440, 1798166, 2697249, 3596332, 4495415, 5394498, 7192664, 8091747, 8990830, 10788996, 13486245, 14385328, 16183494, 17981660, 21577992, 26972490, 32366988, 35963320, 40458735, 43155984, 53944980, 64733976, 71926640, 80917470, 107889960, 129467952, 161834940, 215779920, 323669880, 647339760]

約数ペア:

[(1, 647339760), (2, 323669880), (3, 215779920), (4, 161834940), (5, 129467952), (6, 107889960), (8, 80917470), (9, 71926640), (10, 64733976), (12, 53944980), (15, 43155984), (16, 40458735), (18, 35963320), (20, 32366988), (24, 26972490), (30, 21577992), (36, 17981660), (40, 16183494), (45, 14385328), (48, 13486245), (60, 10788996), (72, 8990830), (80, 8091747), (90, 7192664), (120, 5394498), (144, 4495415), (180, 3596332), (240, 2697249), (360, 1798166), (479, 1351440), (720, 899083), (958, 675720), (1437, 450480), (1877, 344880), (1916, 337860), (2395, 270288), (2874, 225240), (3754, 172440), (3832, 168930), (4311, 150160), (4790, 135144), (5631, 114960), (5748, 112620), (7185, 90096), (7508, 86220), (7664, 84465), (8622, 75080), (9385, 68976), (9580, 67572), (11262, 57480), (11496, 56310), (14370, 45048), (15016, 43110), (16893, 38320), (17244, 37540), (18770, 34488), (19160, 33786), (21555, 30032), (22524, 28740), (22992, 28155)]