20169806640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{319547}}^1$

素因数の和:319826

約数の個数: 80

約数和(自身を含む): 62764339968

約数和(自身を除く): 42594533328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 4208, 5260, 6312, 7890, 10520, 12624, 15780, 21040, 31560, 63120, 319547, 639094, 958641, 1278188, 1597735, 1917282, 2556376, 3195470, 3834564, 4793205, 5112752, 6390940, 7669128, 9586410, 12781880, 15338256, 19172820, 25563760, 38345640, 76691280, 84040861, 168081722, 252122583, 336163444, 420204305, 504245166, 672326888, 840408610, 1008490332, 1260612915, 1344653776, 1680817220, 2016980664, 2521225830, 3361634440, 4033961328, 5042451660, 6723268880, 10084903320, 20169806640]

約数ペア:

[(1, 20169806640), (2, 10084903320), (3, 6723268880), (4, 5042451660), (5, 4033961328), (6, 3361634440), (8, 2521225830), (10, 2016980664), (12, 1680817220), (15, 1344653776), (16, 1260612915), (20, 1008490332), (24, 840408610), (30, 672326888), (40, 504245166), (48, 420204305), (60, 336163444), (80, 252122583), (120, 168081722), (240, 84040861), (263, 76691280), (526, 38345640), (789, 25563760), (1052, 19172820), (1315, 15338256), (1578, 12781880), (2104, 9586410), (2630, 7669128), (3156, 6390940), (3945, 5112752), (4208, 4793205), (5260, 3834564), (6312, 3195470), (7890, 2556376), (10520, 1917282), (12624, 1597735), (15780, 1278188), (21040, 958641), (31560, 639094), (63120, 319547)]