20275297920

素因数分解:

$2^7\times 3^6\times 5^1\times {\mathrm{43457}}^1$

素因数の和:43494

約数の個数: 224

約数和(自身を含む): 72674378820

約数和(自身を除く): 52399080900

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, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 729, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1458, 1620, 1728, 1920, 1944, 2160, 2430, 2592, 2880, 2916, 3240, 3456, 3645, 3888, 4320, 4860, 5184, 5760, 5832, 6480, 7290, 7776, 8640, 9720, 10368, 11664, 12960, 14580, 15552, 17280, 19440, 23328, 25920, 29160, 31104, 38880, 43457, 46656, 51840, 58320, 77760, 86914, 93312, 116640, 130371, 155520, 173828, 217285, 233280, 260742, 347656, 391113, 434570, 466560, 521484, 651855, 695312, 782226, 869140, 1042968, 1173339, 1303710, 1390624, 1564452, 1738280, 1955565, 2085936, 2346678, 2607420, 2781248, 3128904, 3476560, 3520017, 3911130, 4171872, 4693356, 5214840, 5562496, 5866695, 6257808, 6953120, 7040034, 7822260, 8343744, 9386712, 10429680, 10560051, 11733390, 12515616, 13906240, 14080068, 15644520, 16687488, 17600085, 18773424, 20859360, 21120102, 23466780, 25031232, 27812480, 28160136, 31289040, 31680153, 35200170, 37546848, 41718720, 42240204, 46933560, 50062464, 52800255, 56320272, 62578080, 63360306, 70400340, 75093696, 83437440, 84480408, 93867120, 105600510, 112640544, 125156160, 126720612, 140800680, 150187392, 158400765, 168960816, 187734240, 211201020, 225281088, 250312320, 253441224, 281601360, 316801530, 337921632, 375468480, 422402040, 450562176, 506882448, 563202720, 633603060, 675843264, 750936960, 844804080, 1013764896, 1126405440, 1267206120, 1351686528, 1689608160, 2027529792, 2252810880, 2534412240, 3379216320, 4055059584, 5068824480, 6758432640, 10137648960, 20275297920]

約数ペア:

[(1, 20275297920), (2, 10137648960), (3, 6758432640), (4, 5068824480), (5, 4055059584), (6, 3379216320), (8, 2534412240), (9, 2252810880), (10, 2027529792), (12, 1689608160), (15, 1351686528), (16, 1267206120), (18, 1126405440), (20, 1013764896), (24, 844804080), (27, 750936960), (30, 675843264), (32, 633603060), (36, 563202720), (40, 506882448), (45, 450562176), (48, 422402040), (54, 375468480), (60, 337921632), (64, 316801530), (72, 281601360), (80, 253441224), (81, 250312320), (90, 225281088), (96, 211201020), (108, 187734240), (120, 168960816), (128, 158400765), (135, 150187392), (144, 140800680), (160, 126720612), (162, 125156160), (180, 112640544), (192, 105600510), (216, 93867120), (240, 84480408), (243, 83437440), (270, 75093696), (288, 70400340), (320, 63360306), (324, 62578080), (360, 56320272), (384, 52800255), (405, 50062464), (432, 46933560), (480, 42240204), (486, 41718720), (540, 37546848), (576, 35200170), (640, 31680153), (648, 31289040), (720, 28160136), (729, 27812480), (810, 25031232), (864, 23466780), (960, 21120102), (972, 20859360), (1080, 18773424), (1152, 17600085), (1215, 16687488), (1296, 15644520), (1440, 14080068), (1458, 13906240), (1620, 12515616), (1728, 11733390), (1920, 10560051), (1944, 10429680), (2160, 9386712), (2430, 8343744), (2592, 7822260), (2880, 7040034), (2916, 6953120), (3240, 6257808), (3456, 5866695), (3645, 5562496), (3888, 5214840), (4320, 4693356), (4860, 4171872), (5184, 3911130), (5760, 3520017), (5832, 3476560), (6480, 3128904), (7290, 2781248), (7776, 2607420), (8640, 2346678), (9720, 2085936), (10368, 1955565), (11664, 1738280), (12960, 1564452), (14580, 1390624), (15552, 1303710), (17280, 1173339), (19440, 1042968), (23328, 869140), (25920, 782226), (29160, 695312), (31104, 651855), (38880, 521484), (43457, 466560), (46656, 434570), (51840, 391113), (58320, 347656), (77760, 260742), (86914, 233280), (93312, 217285), (116640, 173828), (130371, 155520)]