128278890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 367994880

約数和(自身を除く): 239715990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 43, 45, 54, 58, 81, 86, 87, 90, 127, 129, 135, 145, 162, 174, 215, 254, 258, 261, 270, 290, 381, 387, 405, 430, 435, 522, 635, 645, 762, 774, 783, 810, 870, 1143, 1161, 1247, 1270, 1290, 1305, 1566, 1905, 1935, 2286, 2322, 2349, 2494, 2610, 3429, 3483, 3683, 3741, 3810, 3870, 3915, 4698, 5461, 5715, 5805, 6235, 6858, 6966, 7366, 7482, 7830, 10287, 10922, 11049, 11223, 11430, 11610, 11745, 12470, 16383, 17145, 17415, 18415, 18705, 20574, 22098, 22446, 23490, 27305, 32766, 33147, 33669, 34290, 34830, 36830, 37410, 49149, 51435, 54610, 55245, 56115, 66294, 67338, 81915, 98298, 99441, 101007, 102870, 110490, 112230, 147447, 158369, 163830, 165735, 168345, 198882, 202014, 245745, 294894, 298323, 316738, 331470, 336690, 442341, 475107, 491490, 497205, 505035, 596646, 737235, 791845, 884682, 950214, 994410, 1010070, 1425321, 1474470, 1491615, 1583690, 2211705, 2375535, 2850642, 2983230, 4275963, 4423410, 4751070, 7126605, 8551926, 12827889, 14253210, 21379815, 25655778, 42759630, 64139445, 128278890]

約数ペア:

[(1, 128278890), (2, 64139445), (3, 42759630), (5, 25655778), (6, 21379815), (9, 14253210), (10, 12827889), (15, 8551926), (18, 7126605), (27, 4751070), (29, 4423410), (30, 4275963), (43, 2983230), (45, 2850642), (54, 2375535), (58, 2211705), (81, 1583690), (86, 1491615), (87, 1474470), (90, 1425321), (127, 1010070), (129, 994410), (135, 950214), (145, 884682), (162, 791845), (174, 737235), (215, 596646), (254, 505035), (258, 497205), (261, 491490), (270, 475107), (290, 442341), (381, 336690), (387, 331470), (405, 316738), (430, 298323), (435, 294894), (522, 245745), (635, 202014), (645, 198882), (762, 168345), (774, 165735), (783, 163830), (810, 158369), (870, 147447), (1143, 112230), (1161, 110490), (1247, 102870), (1270, 101007), (1290, 99441), (1305, 98298), (1566, 81915), (1905, 67338), (1935, 66294), (2286, 56115), (2322, 55245), (2349, 54610), (2494, 51435), (2610, 49149), (3429, 37410), (3483, 36830), (3683, 34830), (3741, 34290), (3810, 33669), (3870, 33147), (3915, 32766), (4698, 27305), (5461, 23490), (5715, 22446), (5805, 22098), (6235, 20574), (6858, 18705), (6966, 18415), (7366, 17415), (7482, 17145), (7830, 16383), (10287, 12470), (10922, 11745), (11049, 11610), (11223, 11430)]