20921742720

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2113}}^1$

素因数の和:2335

約数の個数: 320

約数和(自身を含む): 75142045440

約数和(自身を除く): 54220302720

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, 191, 192, 216, 240, 270, 288, 320, 324, 360, 382, 384, 405, 432, 480, 540, 573, 576, 640, 648, 720, 764, 810, 864, 955, 960, 1080, 1146, 1152, 1296, 1440, 1528, 1620, 1719, 1728, 1910, 1920, 2113, 2160, 2292, 2592, 2865, 2880, 3056, 3240, 3438, 3456, 3820, 4226, 4320, 4584, 5157, 5184, 5730, 5760, 6112, 6339, 6480, 6876, 7640, 8452, 8595, 8640, 9168, 10314, 10368, 10565, 11460, 12224, 12678, 12960, 13752, 15280, 15471, 16904, 17190, 17280, 18336, 19017, 20628, 21130, 22920, 24448, 25356, 25785, 25920, 27504, 30560, 30942, 31695, 33808, 34380, 36672, 38034, 41256, 42260, 45840, 50712, 51570, 51840, 55008, 57051, 61120, 61884, 63390, 67616, 68760, 73344, 76068, 77355, 82512, 84520, 91680, 95085, 101424, 103140, 110016, 114102, 122240, 123768, 126780, 135232, 137520, 152136, 154710, 165024, 169040, 171153, 183360, 190170, 202848, 206280, 220032, 228204, 247536, 253560, 270464, 275040, 285255, 304272, 309420, 330048, 338080, 342306, 366720, 380340, 403583, 405696, 412560, 456408, 495072, 507120, 550080, 570510, 608544, 618840, 660096, 676160, 684612, 760680, 807166, 811392, 825120, 855765, 912816, 990144, 1014240, 1100160, 1141020, 1210749, 1217088, 1237680, 1352320, 1369224, 1521360, 1614332, 1650240, 1711530, 1825632, 1980288, 2017915, 2028480, 2282040, 2421498, 2434176, 2475360, 2738448, 3042720, 3228664, 3300480, 3423060, 3632247, 3651264, 4035830, 4056960, 4564080, 4842996, 4950720, 5476896, 6053745, 6085440, 6457328, 6846120, 7264494, 7302528, 8071660, 9128160, 9685992, 9901440, 10896741, 10953792, 12107490, 12170880, 12914656, 13692240, 14528988, 16143320, 18161235, 18256320, 19371984, 21793482, 21907584, 24214980, 25829312, 27384480, 29057976, 32286640, 32690223, 36322470, 36512640, 38743968, 43586964, 48429960, 51658624, 54483705, 54768960, 58115952, 64573280, 65380446, 72644940, 77487936, 87173928, 96859920, 108967410, 109537920, 116231904, 129146560, 130760892, 145289880, 154975872, 163451115, 174347856, 193719840, 217934820, 232463808, 258293120, 261521784, 290579760, 326902230, 348695712, 387439680, 435869640, 464927616, 523043568, 581159520, 653804460, 697391424, 774879360, 871739280, 1046087136, 1162319040, 1307608920, 1394782848, 1743478560, 2092174272, 2324638080, 2615217840, 3486957120, 4184348544, 5230435680, 6973914240, 10460871360, 20921742720]

約数ペア:

[(1, 20921742720), (2, 10460871360), (3, 6973914240), (4, 5230435680), (5, 4184348544), (6, 3486957120), (8, 2615217840), (9, 2324638080), (10, 2092174272), (12, 1743478560), (15, 1394782848), (16, 1307608920), (18, 1162319040), (20, 1046087136), (24, 871739280), (27, 774879360), (30, 697391424), (32, 653804460), (36, 581159520), (40, 523043568), (45, 464927616), (48, 435869640), (54, 387439680), (60, 348695712), (64, 326902230), (72, 290579760), (80, 261521784), (81, 258293120), (90, 232463808), (96, 217934820), (108, 193719840), (120, 174347856), (128, 163451115), (135, 154975872), (144, 145289880), (160, 130760892), (162, 129146560), (180, 116231904), (191, 109537920), (192, 108967410), (216, 96859920), (240, 87173928), (270, 77487936), (288, 72644940), (320, 65380446), (324, 64573280), (360, 58115952), (382, 54768960), (384, 54483705), (405, 51658624), (432, 48429960), (480, 43586964), (540, 38743968), (573, 36512640), (576, 36322470), (640, 32690223), (648, 32286640), (720, 29057976), (764, 27384480), (810, 25829312), (864, 24214980), (955, 21907584), (960, 21793482), (1080, 19371984), (1146, 18256320), (1152, 18161235), (1296, 16143320), (1440, 14528988), (1528, 13692240), (1620, 12914656), (1719, 12170880), (1728, 12107490), (1910, 10953792), (1920, 10896741), (2113, 9901440), (2160, 9685992), (2292, 9128160), (2592, 8071660), (2865, 7302528), (2880, 7264494), (3056, 6846120), (3240, 6457328), (3438, 6085440), (3456, 6053745), (3820, 5476896), (4226, 4950720), (4320, 4842996), (4584, 4564080), (5157, 4056960), (5184, 4035830), (5730, 3651264), (5760, 3632247), (6112, 3423060), (6339, 3300480), (6480, 3228664), (6876, 3042720), (7640, 2738448), (8452, 2475360), (8595, 2434176), (8640, 2421498), (9168, 2282040), (10314, 2028480), (10368, 2017915), (10565, 1980288), (11460, 1825632), (12224, 1711530), (12678, 1650240), (12960, 1614332), (13752, 1521360), (15280, 1369224), (15471, 1352320), (16904, 1237680), (17190, 1217088), (17280, 1210749), (18336, 1141020), (19017, 1100160), (20628, 1014240), (21130, 990144), (22920, 912816), (24448, 855765), (25356, 825120), (25785, 811392), (25920, 807166), (27504, 760680), (30560, 684612), (30942, 676160), (31695, 660096), (33808, 618840), (34380, 608544), (36672, 570510), (38034, 550080), (41256, 507120), (42260, 495072), (45840, 456408), (50712, 412560), (51570, 405696), (51840, 403583), (55008, 380340), (57051, 366720), (61120, 342306), (61884, 338080), (63390, 330048), (67616, 309420), (68760, 304272), (73344, 285255), (76068, 275040), (77355, 270464), (82512, 253560), (84520, 247536), (91680, 228204), (95085, 220032), (101424, 206280), (103140, 202848), (110016, 190170), (114102, 183360), (122240, 171153), (123768, 169040), (126780, 165024), (135232, 154710), (137520, 152136)]