85175440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 250698240

約数和(自身を除く): 165522800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 161, 170, 184, 230, 238, 272, 280, 322, 340, 368, 389, 391, 460, 476, 560, 595, 644, 680, 778, 782, 805, 920, 952, 1190, 1288, 1360, 1556, 1564, 1610, 1840, 1904, 1945, 1955, 2380, 2576, 2723, 2737, 3112, 3128, 3220, 3890, 3910, 4760, 5446, 5474, 6224, 6256, 6440, 6613, 7780, 7820, 8947, 9520, 10892, 10948, 12880, 13226, 13615, 13685, 15560, 15640, 17894, 21784, 21896, 26452, 27230, 27370, 31120, 31280, 33065, 35788, 43568, 43792, 44735, 46291, 52904, 54460, 54740, 62629, 66130, 71576, 89470, 92582, 105808, 108920, 109480, 125258, 132260, 143152, 152099, 178940, 185164, 217840, 218960, 231455, 250516, 264520, 304198, 313145, 357880, 370328, 462910, 501032, 529040, 608396, 626290, 715760, 740656, 760495, 925820, 1002064, 1064693, 1216792, 1252580, 1520990, 1851640, 2129386, 2433584, 2505160, 3041980, 3703280, 4258772, 5010320, 5323465, 6083960, 8517544, 10646930, 12167920, 17035088, 21293860, 42587720, 85175440]

約数ペア:

[(1, 85175440), (2, 42587720), (4, 21293860), (5, 17035088), (7, 12167920), (8, 10646930), (10, 8517544), (14, 6083960), (16, 5323465), (17, 5010320), (20, 4258772), (23, 3703280), (28, 3041980), (34, 2505160), (35, 2433584), (40, 2129386), (46, 1851640), (56, 1520990), (68, 1252580), (70, 1216792), (80, 1064693), (85, 1002064), (92, 925820), (112, 760495), (115, 740656), (119, 715760), (136, 626290), (140, 608396), (161, 529040), (170, 501032), (184, 462910), (230, 370328), (238, 357880), (272, 313145), (280, 304198), (322, 264520), (340, 250516), (368, 231455), (389, 218960), (391, 217840), (460, 185164), (476, 178940), (560, 152099), (595, 143152), (644, 132260), (680, 125258), (778, 109480), (782, 108920), (805, 105808), (920, 92582), (952, 89470), (1190, 71576), (1288, 66130), (1360, 62629), (1556, 54740), (1564, 54460), (1610, 52904), (1840, 46291), (1904, 44735), (1945, 43792), (1955, 43568), (2380, 35788), (2576, 33065), (2723, 31280), (2737, 31120), (3112, 27370), (3128, 27230), (3220, 26452), (3890, 21896), (3910, 21784), (4760, 17894), (5446, 15640), (5474, 15560), (6224, 13685), (6256, 13615), (6440, 13226), (6613, 12880), (7780, 10948), (7820, 10892), (8947, 9520)]