209374740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 192

約数和(自身を含む): 681246720

約数和(自身を除く): 471871980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 71, 86, 90, 108, 127, 129, 135, 142, 172, 180, 213, 215, 254, 258, 270, 284, 355, 381, 387, 426, 430, 508, 516, 540, 635, 639, 645, 710, 762, 774, 852, 860, 1065, 1143, 1161, 1270, 1278, 1290, 1420, 1524, 1548, 1905, 1917, 1935, 2130, 2286, 2322, 2540, 2556, 2580, 3053, 3195, 3429, 3810, 3834, 3870, 4260, 4572, 4644, 5461, 5715, 5805, 6106, 6390, 6858, 7620, 7668, 7740, 9017, 9159, 9585, 10922, 11430, 11610, 12212, 12780, 13716, 15265, 16383, 17145, 18034, 18318, 19170, 21844, 22860, 23220, 27051, 27305, 27477, 30530, 32766, 34290, 36068, 36636, 38340, 45085, 45795, 49149, 54102, 54610, 54954, 61060, 65532, 68580, 81153, 81915, 82431, 90170, 91590, 98298, 108204, 109220, 109908, 135255, 137385, 147447, 162306, 163830, 164862, 180340, 183180, 196596, 243459, 245745, 270510, 274770, 294894, 324612, 327660, 329724, 387731, 405765, 412155, 486918, 491490, 541020, 549540, 589788, 737235, 775462, 811530, 824310, 973836, 982980, 1163193, 1217295, 1474470, 1550924, 1623060, 1648620, 1938655, 2326386, 2434590, 2948940, 3489579, 3877310, 4652772, 4869180, 5815965, 6979158, 7754620, 10468737, 11631930, 13958316, 17447895, 20937474, 23263860, 34895790, 41874948, 52343685, 69791580, 104687370, 209374740]

約数ペア:

[(1, 209374740), (2, 104687370), (3, 69791580), (4, 52343685), (5, 41874948), (6, 34895790), (9, 23263860), (10, 20937474), (12, 17447895), (15, 13958316), (18, 11631930), (20, 10468737), (27, 7754620), (30, 6979158), (36, 5815965), (43, 4869180), (45, 4652772), (54, 3877310), (60, 3489579), (71, 2948940), (86, 2434590), (90, 2326386), (108, 1938655), (127, 1648620), (129, 1623060), (135, 1550924), (142, 1474470), (172, 1217295), (180, 1163193), (213, 982980), (215, 973836), (254, 824310), (258, 811530), (270, 775462), (284, 737235), (355, 589788), (381, 549540), (387, 541020), (426, 491490), (430, 486918), (508, 412155), (516, 405765), (540, 387731), (635, 329724), (639, 327660), (645, 324612), (710, 294894), (762, 274770), (774, 270510), (852, 245745), (860, 243459), (1065, 196596), (1143, 183180), (1161, 180340), (1270, 164862), (1278, 163830), (1290, 162306), (1420, 147447), (1524, 137385), (1548, 135255), (1905, 109908), (1917, 109220), (1935, 108204), (2130, 98298), (2286, 91590), (2322, 90170), (2540, 82431), (2556, 81915), (2580, 81153), (3053, 68580), (3195, 65532), (3429, 61060), (3810, 54954), (3834, 54610), (3870, 54102), (4260, 49149), (4572, 45795), (4644, 45085), (5461, 38340), (5715, 36636), (5805, 36068), (6106, 34290), (6390, 32766), (6858, 30530), (7620, 27477), (7668, 27305), (7740, 27051), (9017, 23220), (9159, 22860), (9585, 21844), (10922, 19170), (11430, 18318), (11610, 18034), (12212, 17145), (12780, 16383), (13716, 15265)]