181289360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 160

約数和(自身を含む): 517466880

約数和(自身を除く): 336177520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 137, 139, 140, 170, 238, 272, 274, 278, 280, 340, 476, 548, 556, 560, 595, 680, 685, 695, 952, 959, 973, 1096, 1112, 1190, 1360, 1370, 1390, 1904, 1918, 1946, 2192, 2224, 2329, 2363, 2380, 2740, 2780, 3836, 3892, 4658, 4726, 4760, 4795, 4865, 5480, 5560, 7672, 7784, 9316, 9452, 9520, 9590, 9730, 10960, 11120, 11645, 11815, 15344, 15568, 16303, 16541, 18632, 18904, 19043, 19180, 19460, 23290, 23630, 32606, 33082, 37264, 37808, 38086, 38360, 38920, 46580, 47260, 65212, 66164, 76172, 76720, 77840, 81515, 82705, 93160, 94520, 95215, 130424, 132328, 133301, 152344, 163030, 165410, 186320, 189040, 190430, 260848, 264656, 266602, 304688, 323731, 326060, 330820, 380860, 533204, 647462, 652120, 661640, 666505, 761720, 1066408, 1294924, 1304240, 1323280, 1333010, 1523440, 1618655, 2132816, 2266117, 2589848, 2666020, 3237310, 4532234, 5179696, 5332040, 6474620, 9064468, 10664080, 11330585, 12949240, 18128936, 22661170, 25898480, 36257872, 45322340, 90644680, 181289360]

約数ペア:

[(1, 181289360), (2, 90644680), (4, 45322340), (5, 36257872), (7, 25898480), (8, 22661170), (10, 18128936), (14, 12949240), (16, 11330585), (17, 10664080), (20, 9064468), (28, 6474620), (34, 5332040), (35, 5179696), (40, 4532234), (56, 3237310), (68, 2666020), (70, 2589848), (80, 2266117), (85, 2132816), (112, 1618655), (119, 1523440), (136, 1333010), (137, 1323280), (139, 1304240), (140, 1294924), (170, 1066408), (238, 761720), (272, 666505), (274, 661640), (278, 652120), (280, 647462), (340, 533204), (476, 380860), (548, 330820), (556, 326060), (560, 323731), (595, 304688), (680, 266602), (685, 264656), (695, 260848), (952, 190430), (959, 189040), (973, 186320), (1096, 165410), (1112, 163030), (1190, 152344), (1360, 133301), (1370, 132328), (1390, 130424), (1904, 95215), (1918, 94520), (1946, 93160), (2192, 82705), (2224, 81515), (2329, 77840), (2363, 76720), (2380, 76172), (2740, 66164), (2780, 65212), (3836, 47260), (3892, 46580), (4658, 38920), (4726, 38360), (4760, 38086), (4795, 37808), (4865, 37264), (5480, 33082), (5560, 32606), (7672, 23630), (7784, 23290), (9316, 19460), (9452, 19180), (9520, 19043), (9590, 18904), (9730, 18632), (10960, 16541), (11120, 16303), (11645, 15568), (11815, 15344)]