620965440

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{23957}}^1$

素因数の和:23986

約数の個数: 140

約数和(自身を含む): 2208975516

約数和(自身を除く): 1588010076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 23957, 25920, 47914, 71871, 95828, 119785, 143742, 191656, 215613, 239570, 287484, 359355, 383312, 431226, 479140, 574968, 646839, 718710, 766624, 862452, 958280, 1078065, 1149936, 1293678, 1437420, 1533248, 1724904, 1916560, 1940517, 2156130, 2299872, 2587356, 2874840, 3234195, 3449808, 3833120, 3881034, 4312260, 4599744, 5174712, 5749680, 6468390, 6899616, 7666240, 7762068, 8624520, 9702585, 10349424, 11499360, 12936780, 13799232, 15524136, 17249040, 19405170, 20698848, 22998720, 25873560, 31048272, 34498080, 38810340, 41397696, 51747120, 62096544, 68996160, 77620680, 103494240, 124193088, 155241360, 206988480, 310482720, 620965440]

約数ペア:

[(1, 620965440), (2, 310482720), (3, 206988480), (4, 155241360), (5, 124193088), (6, 103494240), (8, 77620680), (9, 68996160), (10, 62096544), (12, 51747120), (15, 41397696), (16, 38810340), (18, 34498080), (20, 31048272), (24, 25873560), (27, 22998720), (30, 20698848), (32, 19405170), (36, 17249040), (40, 15524136), (45, 13799232), (48, 12936780), (54, 11499360), (60, 10349424), (64, 9702585), (72, 8624520), (80, 7762068), (81, 7666240), (90, 6899616), (96, 6468390), (108, 5749680), (120, 5174712), (135, 4599744), (144, 4312260), (160, 3881034), (162, 3833120), (180, 3449808), (192, 3234195), (216, 2874840), (240, 2587356), (270, 2299872), (288, 2156130), (320, 1940517), (324, 1916560), (360, 1724904), (405, 1533248), (432, 1437420), (480, 1293678), (540, 1149936), (576, 1078065), (648, 958280), (720, 862452), (810, 766624), (864, 718710), (960, 646839), (1080, 574968), (1296, 479140), (1440, 431226), (1620, 383312), (1728, 359355), (2160, 287484), (2592, 239570), (2880, 215613), (3240, 191656), (4320, 143742), (5184, 119785), (6480, 95828), (8640, 71871), (12960, 47914), (23957, 25920)]