65208220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 182020608

約数和(自身を除く): 116812388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 263, 308, 322, 385, 460, 490, 506, 526, 539, 644, 770, 805, 980, 1012, 1052, 1078, 1127, 1265, 1315, 1540, 1610, 1771, 1841, 2156, 2254, 2530, 2630, 2695, 2893, 3220, 3542, 3682, 4508, 5060, 5260, 5390, 5635, 5786, 6049, 7084, 7364, 8855, 9205, 10780, 11270, 11572, 12098, 12397, 12887, 14465, 17710, 18410, 20251, 22540, 24196, 24794, 25774, 28930, 30245, 35420, 36820, 40502, 42343, 49588, 51548, 57860, 60490, 61985, 64435, 66539, 81004, 84686, 101255, 120980, 123970, 128870, 133078, 141757, 169372, 202510, 211715, 247940, 257740, 266156, 283514, 296401, 332695, 405020, 423430, 465773, 567028, 592802, 665390, 708785, 846860, 931546, 1185604, 1330780, 1417570, 1482005, 1863092, 2328865, 2835140, 2964010, 3260411, 4657730, 5928020, 6520822, 9315460, 13041644, 16302055, 32604110, 65208220]

約数ペア:

[(1, 65208220), (2, 32604110), (4, 16302055), (5, 13041644), (7, 9315460), (10, 6520822), (11, 5928020), (14, 4657730), (20, 3260411), (22, 2964010), (23, 2835140), (28, 2328865), (35, 1863092), (44, 1482005), (46, 1417570), (49, 1330780), (55, 1185604), (70, 931546), (77, 846860), (92, 708785), (98, 665390), (110, 592802), (115, 567028), (140, 465773), (154, 423430), (161, 405020), (196, 332695), (220, 296401), (230, 283514), (245, 266156), (253, 257740), (263, 247940), (308, 211715), (322, 202510), (385, 169372), (460, 141757), (490, 133078), (506, 128870), (526, 123970), (539, 120980), (644, 101255), (770, 84686), (805, 81004), (980, 66539), (1012, 64435), (1052, 61985), (1078, 60490), (1127, 57860), (1265, 51548), (1315, 49588), (1540, 42343), (1610, 40502), (1771, 36820), (1841, 35420), (2156, 30245), (2254, 28930), (2530, 25774), (2630, 24794), (2695, 24196), (2893, 22540), (3220, 20251), (3542, 18410), (3682, 17710), (4508, 14465), (5060, 12887), (5260, 12397), (5390, 12098), (5635, 11572), (5786, 11270), (6049, 10780), (7084, 9205), (7364, 8855)]