257245120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:818

約数の個数: 112

約数和(自身を含む): 675485568

約数和(自身を除く): 418240448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 107, 110, 160, 176, 214, 220, 320, 352, 428, 440, 535, 683, 704, 856, 880, 1070, 1177, 1366, 1712, 1760, 2140, 2354, 2732, 3415, 3424, 3520, 4280, 4708, 5464, 5885, 6830, 6848, 7513, 8560, 9416, 10928, 11770, 13660, 15026, 17120, 18832, 21856, 23540, 27320, 30052, 34240, 37565, 37664, 43712, 47080, 54640, 60104, 73081, 75130, 75328, 94160, 109280, 120208, 146162, 150260, 188320, 218560, 240416, 292324, 300520, 365405, 376640, 480832, 584648, 601040, 730810, 803891, 1169296, 1202080, 1461620, 1607782, 2338592, 2404160, 2923240, 3215564, 4019455, 4677184, 5846480, 6431128, 8038910, 11692960, 12862256, 16077820, 23385920, 25724512, 32155640, 51449024, 64311280, 128622560, 257245120]

約数ペア:

[(1, 257245120), (2, 128622560), (4, 64311280), (5, 51449024), (8, 32155640), (10, 25724512), (11, 23385920), (16, 16077820), (20, 12862256), (22, 11692960), (32, 8038910), (40, 6431128), (44, 5846480), (55, 4677184), (64, 4019455), (80, 3215564), (88, 2923240), (107, 2404160), (110, 2338592), (160, 1607782), (176, 1461620), (214, 1202080), (220, 1169296), (320, 803891), (352, 730810), (428, 601040), (440, 584648), (535, 480832), (683, 376640), (704, 365405), (856, 300520), (880, 292324), (1070, 240416), (1177, 218560), (1366, 188320), (1712, 150260), (1760, 146162), (2140, 120208), (2354, 109280), (2732, 94160), (3415, 75328), (3424, 75130), (3520, 73081), (4280, 60104), (4708, 54640), (5464, 47080), (5885, 43712), (6830, 37664), (6848, 37565), (7513, 34240), (8560, 30052), (9416, 27320), (10928, 23540), (11770, 21856), (13660, 18832), (15026, 17120)]