71312560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 187019280

約数和(自身を除く): 115706720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 121, 139, 176, 212, 220, 242, 265, 278, 424, 440, 484, 530, 556, 583, 605, 695, 848, 880, 968, 1060, 1112, 1166, 1210, 1390, 1529, 1936, 2120, 2224, 2332, 2420, 2780, 2915, 3058, 4240, 4664, 4840, 5560, 5830, 6116, 6413, 7367, 7645, 9328, 9680, 11120, 11660, 12232, 12826, 14734, 15290, 16819, 23320, 24464, 25652, 29468, 30580, 32065, 33638, 36835, 46640, 51304, 58936, 61160, 64130, 67276, 73670, 81037, 84095, 102608, 117872, 122320, 128260, 134552, 147340, 162074, 168190, 256520, 269104, 294680, 324148, 336380, 405185, 513040, 589360, 648296, 672760, 810370, 891407, 1296592, 1345520, 1620740, 1782814, 3241480, 3565628, 4457035, 6482960, 7131256, 8914070, 14262512, 17828140, 35656280, 71312560]

約数ペア:

[(1, 71312560), (2, 35656280), (4, 17828140), (5, 14262512), (8, 8914070), (10, 7131256), (11, 6482960), (16, 4457035), (20, 3565628), (22, 3241480), (40, 1782814), (44, 1620740), (53, 1345520), (55, 1296592), (80, 891407), (88, 810370), (106, 672760), (110, 648296), (121, 589360), (139, 513040), (176, 405185), (212, 336380), (220, 324148), (242, 294680), (265, 269104), (278, 256520), (424, 168190), (440, 162074), (484, 147340), (530, 134552), (556, 128260), (583, 122320), (605, 117872), (695, 102608), (848, 84095), (880, 81037), (968, 73670), (1060, 67276), (1112, 64130), (1166, 61160), (1210, 58936), (1390, 51304), (1529, 46640), (1936, 36835), (2120, 33638), (2224, 32065), (2332, 30580), (2420, 29468), (2780, 25652), (2915, 24464), (3058, 23320), (4240, 16819), (4664, 15290), (4840, 14734), (5560, 12826), (5830, 12232), (6116, 11660), (6413, 11120), (7367, 9680), (7645, 9328)]