221873640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4231}}^1$

素因数の和:4287

約数の個数: 128

約数和(自身を含む): 731289600

約数和(自身を除く): 509415960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 23, 24, 30, 38, 40, 46, 57, 60, 69, 76, 92, 95, 114, 115, 120, 138, 152, 184, 190, 228, 230, 276, 285, 345, 380, 437, 456, 460, 552, 570, 690, 760, 874, 920, 1140, 1311, 1380, 1748, 2185, 2280, 2622, 2760, 3496, 4231, 4370, 5244, 6555, 8462, 8740, 10488, 12693, 13110, 16924, 17480, 21155, 25386, 26220, 33848, 42310, 50772, 52440, 63465, 80389, 84620, 97313, 101544, 126930, 160778, 169240, 194626, 241167, 253860, 291939, 321556, 389252, 401945, 482334, 486565, 507720, 583878, 643112, 778504, 803890, 964668, 973130, 1167756, 1205835, 1459695, 1607780, 1848947, 1929336, 1946260, 2335512, 2411670, 2919390, 3215560, 3697894, 3892520, 4823340, 5546841, 5838780, 7395788, 9244735, 9646680, 11093682, 11677560, 14791576, 18489470, 22187364, 27734205, 36978940, 44374728, 55468410, 73957880, 110936820, 221873640]

約数ペア:

[(1, 221873640), (2, 110936820), (3, 73957880), (4, 55468410), (5, 44374728), (6, 36978940), (8, 27734205), (10, 22187364), (12, 18489470), (15, 14791576), (19, 11677560), (20, 11093682), (23, 9646680), (24, 9244735), (30, 7395788), (38, 5838780), (40, 5546841), (46, 4823340), (57, 3892520), (60, 3697894), (69, 3215560), (76, 2919390), (92, 2411670), (95, 2335512), (114, 1946260), (115, 1929336), (120, 1848947), (138, 1607780), (152, 1459695), (184, 1205835), (190, 1167756), (228, 973130), (230, 964668), (276, 803890), (285, 778504), (345, 643112), (380, 583878), (437, 507720), (456, 486565), (460, 482334), (552, 401945), (570, 389252), (690, 321556), (760, 291939), (874, 253860), (920, 241167), (1140, 194626), (1311, 169240), (1380, 160778), (1748, 126930), (2185, 101544), (2280, 97313), (2622, 84620), (2760, 80389), (3496, 63465), (4231, 52440), (4370, 50772), (5244, 42310), (6555, 33848), (8462, 26220), (8740, 25386), (10488, 21155), (12693, 17480), (13110, 16924)]