204060560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3461}}^1$

素因数の和:3552

約数の個数: 80

約数和(自身を含む): 525448512

約数和(自身を除く): 321387952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2948, 3461, 3685, 5360, 5896, 6922, 7370, 11792, 13844, 14740, 17305, 27688, 29480, 34610, 38071, 55376, 58960, 69220, 76142, 138440, 152284, 190355, 231887, 276880, 304568, 380710, 463774, 609136, 761420, 927548, 1159435, 1522840, 1855096, 2318870, 2550757, 3045680, 3710192, 4637740, 5101514, 9275480, 10203028, 12753785, 18550960, 20406056, 25507570, 40812112, 51015140, 102030280, 204060560]

約数ペア:

[(1, 204060560), (2, 102030280), (4, 51015140), (5, 40812112), (8, 25507570), (10, 20406056), (11, 18550960), (16, 12753785), (20, 10203028), (22, 9275480), (40, 5101514), (44, 4637740), (55, 3710192), (67, 3045680), (80, 2550757), (88, 2318870), (110, 1855096), (134, 1522840), (176, 1159435), (220, 927548), (268, 761420), (335, 609136), (440, 463774), (536, 380710), (670, 304568), (737, 276880), (880, 231887), (1072, 190355), (1340, 152284), (1474, 138440), (2680, 76142), (2948, 69220), (3461, 58960), (3685, 55376), (5360, 38071), (5896, 34610), (6922, 29480), (7370, 27688), (11792, 17305), (13844, 14740)]