209704680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 702518400

約数和(自身を除く): 492813720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 281, 360, 540, 562, 691, 843, 1080, 1124, 1382, 1405, 1686, 2073, 2248, 2529, 2764, 2810, 3372, 3455, 4146, 4215, 5058, 5528, 5620, 6219, 6744, 6910, 7587, 8292, 8430, 10116, 10365, 11240, 12438, 12645, 13820, 15174, 16584, 16860, 18657, 20232, 20730, 24876, 25290, 27640, 30348, 31095, 33720, 37314, 37935, 41460, 49752, 50580, 60696, 62190, 74628, 75870, 82920, 93285, 101160, 124380, 149256, 151740, 186570, 194171, 248760, 303480, 373140, 388342, 582513, 746280, 776684, 970855, 1165026, 1553368, 1747539, 1941710, 2330052, 2912565, 3495078, 3883420, 4660104, 5242617, 5825130, 6990156, 7766840, 8737695, 10485234, 11650260, 13980312, 17475390, 20970468, 23300520, 26213085, 34950780, 41940936, 52426170, 69901560, 104852340, 209704680]

約数ペア:

[(1, 209704680), (2, 104852340), (3, 69901560), (4, 52426170), (5, 41940936), (6, 34950780), (8, 26213085), (9, 23300520), (10, 20970468), (12, 17475390), (15, 13980312), (18, 11650260), (20, 10485234), (24, 8737695), (27, 7766840), (30, 6990156), (36, 5825130), (40, 5242617), (45, 4660104), (54, 3883420), (60, 3495078), (72, 2912565), (90, 2330052), (108, 1941710), (120, 1747539), (135, 1553368), (180, 1165026), (216, 970855), (270, 776684), (281, 746280), (360, 582513), (540, 388342), (562, 373140), (691, 303480), (843, 248760), (1080, 194171), (1124, 186570), (1382, 151740), (1405, 149256), (1686, 124380), (2073, 101160), (2248, 93285), (2529, 82920), (2764, 75870), (2810, 74628), (3372, 62190), (3455, 60696), (4146, 50580), (4215, 49752), (5058, 41460), (5528, 37935), (5620, 37314), (6219, 33720), (6744, 31095), (6910, 30348), (7587, 27640), (8292, 25290), (8430, 24876), (10116, 20730), (10365, 20232), (11240, 18657), (12438, 16860), (12645, 16584), (13820, 15174)]