21556601280

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{831659}}^1$

素因数の和:831688

約数の個数: 140

約数和(自身を含む): 76680715320

約数和(自身を除く): 55124114040

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, 25920, 831659, 1663318, 2494977, 3326636, 4158295, 4989954, 6653272, 7484931, 8316590, 9979908, 12474885, 13306544, 14969862, 16633180, 19959816, 22454793, 24949770, 26613088, 29939724, 33266360, 37424655, 39919632, 44909586, 49899540, 53226176, 59879448, 66532720, 67364379, 74849310, 79839264, 89819172, 99799080, 112273965, 119758896, 133065440, 134728758, 149698620, 159678528, 179638344, 199598160, 224547930, 239517792, 266130880, 269457516, 299397240, 336821895, 359276688, 399196320, 449095860, 479035584, 538915032, 598794480, 673643790, 718553376, 798392640, 898191720, 1077830064, 1197588960, 1347287580, 1437106752, 1796383440, 2155660128, 2395177920, 2694575160, 3592766880, 4311320256, 5389150320, 7185533760, 10778300640, 21556601280]

約数ペア:

[(1, 21556601280), (2, 10778300640), (3, 7185533760), (4, 5389150320), (5, 4311320256), (6, 3592766880), (8, 2694575160), (9, 2395177920), (10, 2155660128), (12, 1796383440), (15, 1437106752), (16, 1347287580), (18, 1197588960), (20, 1077830064), (24, 898191720), (27, 798392640), (30, 718553376), (32, 673643790), (36, 598794480), (40, 538915032), (45, 479035584), (48, 449095860), (54, 399196320), (60, 359276688), (64, 336821895), (72, 299397240), (80, 269457516), (81, 266130880), (90, 239517792), (96, 224547930), (108, 199598160), (120, 179638344), (135, 159678528), (144, 149698620), (160, 134728758), (162, 133065440), (180, 119758896), (192, 112273965), (216, 99799080), (240, 89819172), (270, 79839264), (288, 74849310), (320, 67364379), (324, 66532720), (360, 59879448), (405, 53226176), (432, 49899540), (480, 44909586), (540, 39919632), (576, 37424655), (648, 33266360), (720, 29939724), (810, 26613088), (864, 24949770), (960, 22454793), (1080, 19959816), (1296, 16633180), (1440, 14969862), (1620, 13306544), (1728, 12474885), (2160, 9979908), (2592, 8316590), (2880, 7484931), (3240, 6653272), (4320, 4989954), (5184, 4158295), (6480, 3326636), (8640, 2494977), (12960, 1663318), (25920, 831659)]