204940120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 192

約数和(自身を含む): 606735360

約数和(自身を除く): 401795240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 121, 140, 154, 161, 184, 220, 230, 242, 253, 263, 280, 308, 322, 385, 440, 460, 484, 506, 526, 605, 616, 644, 770, 805, 847, 920, 968, 1012, 1052, 1210, 1265, 1288, 1315, 1540, 1610, 1694, 1771, 1841, 2024, 2104, 2420, 2530, 2630, 2783, 2893, 3080, 3220, 3388, 3542, 3682, 4235, 4840, 5060, 5260, 5566, 5786, 6049, 6440, 6776, 7084, 7364, 8470, 8855, 9205, 10120, 10520, 11132, 11572, 12098, 13915, 14168, 14465, 14728, 16940, 17710, 18410, 19481, 20251, 22264, 23144, 24196, 27830, 28930, 30245, 31823, 33880, 35420, 36820, 38962, 40502, 42343, 48392, 55660, 57860, 60490, 63646, 66539, 70840, 73640, 77924, 81004, 84686, 97405, 101255, 111320, 115720, 120980, 127292, 133078, 155848, 159115, 162008, 169372, 194810, 202510, 211715, 222761, 241960, 254584, 266156, 318230, 332695, 338744, 389620, 405020, 423430, 445522, 465773, 532312, 636460, 665390, 731929, 779240, 810040, 846860, 891044, 931546, 1113805, 1272920, 1330780, 1463858, 1693720, 1782088, 1863092, 2227610, 2328865, 2661560, 2927716, 3659645, 3726184, 4455220, 4657730, 5123503, 5855432, 7319290, 8910440, 9315460, 10247006, 14638580, 18630920, 20494012, 25617515, 29277160, 40988024, 51235030, 102470060, 204940120]

約数ペア:

[(1, 204940120), (2, 102470060), (4, 51235030), (5, 40988024), (7, 29277160), (8, 25617515), (10, 20494012), (11, 18630920), (14, 14638580), (20, 10247006), (22, 9315460), (23, 8910440), (28, 7319290), (35, 5855432), (40, 5123503), (44, 4657730), (46, 4455220), (55, 3726184), (56, 3659645), (70, 2927716), (77, 2661560), (88, 2328865), (92, 2227610), (110, 1863092), (115, 1782088), (121, 1693720), (140, 1463858), (154, 1330780), (161, 1272920), (184, 1113805), (220, 931546), (230, 891044), (242, 846860), (253, 810040), (263, 779240), (280, 731929), (308, 665390), (322, 636460), (385, 532312), (440, 465773), (460, 445522), (484, 423430), (506, 405020), (526, 389620), (605, 338744), (616, 332695), (644, 318230), (770, 266156), (805, 254584), (847, 241960), (920, 222761), (968, 211715), (1012, 202510), (1052, 194810), (1210, 169372), (1265, 162008), (1288, 159115), (1315, 155848), (1540, 133078), (1610, 127292), (1694, 120980), (1771, 115720), (1841, 111320), (2024, 101255), (2104, 97405), (2420, 84686), (2530, 81004), (2630, 77924), (2783, 73640), (2893, 70840), (3080, 66539), (3220, 63646), (3388, 60490), (3542, 57860), (3682, 55660), (4235, 48392), (4840, 42343), (5060, 40502), (5260, 38962), (5566, 36820), (5786, 35420), (6049, 33880), (6440, 31823), (6776, 30245), (7084, 28930), (7364, 27830), (8470, 24196), (8855, 23144), (9205, 22264), (10120, 20251), (10520, 19481), (11132, 18410), (11572, 17710), (12098, 16940), (13915, 14728), (14168, 14465)]