20905140960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13331}}^1$

素因数の和:13380

約数の個数: 360

約数和(自身を含む): 81100609128

約数和(自身を除く): 60195468168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 81, 88, 90, 96, 99, 108, 110, 120, 121, 132, 135, 144, 160, 162, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 288, 297, 324, 330, 352, 360, 363, 396, 405, 432, 440, 480, 484, 495, 528, 540, 594, 605, 648, 660, 720, 726, 792, 810, 864, 880, 891, 968, 990, 1056, 1080, 1089, 1188, 1210, 1296, 1320, 1440, 1452, 1485, 1584, 1620, 1760, 1782, 1815, 1936, 1980, 2160, 2178, 2376, 2420, 2592, 2640, 2904, 2970, 3168, 3240, 3267, 3564, 3630, 3872, 3960, 4320, 4356, 4455, 4752, 4840, 5280, 5445, 5808, 5940, 6480, 6534, 7128, 7260, 7920, 8712, 8910, 9504, 9680, 9801, 10890, 11616, 11880, 12960, 13068, 13331, 14256, 14520, 15840, 16335, 17424, 17820, 19360, 19602, 21780, 23760, 26136, 26662, 28512, 29040, 32670, 34848, 35640, 39204, 39993, 43560, 47520, 49005, 52272, 53324, 58080, 65340, 66655, 71280, 78408, 79986, 87120, 98010, 104544, 106648, 119979, 130680, 133310, 142560, 146641, 156816, 159972, 174240, 196020, 199965, 213296, 239958, 261360, 266620, 293282, 313632, 319944, 359937, 392040, 399930, 426592, 439923, 479916, 522720, 533240, 586564, 599895, 639888, 719874, 733205, 784080, 799860, 879846, 959832, 1066480, 1079811, 1173128, 1199790, 1279776, 1319769, 1439748, 1466410, 1568160, 1599720, 1613051, 1759692, 1799685, 1919664, 2132960, 2159622, 2199615, 2346256, 2399580, 2639538, 2879496, 2932820, 3199440, 3226102, 3519384, 3599370, 3839328, 3959307, 4319244, 4399230, 4692512, 4799160, 4839153, 5279076, 5399055, 5758992, 5865640, 6398880, 6452204, 6598845, 7038768, 7198740, 7918614, 8065255, 8638488, 8798460, 9598320, 9678306, 10558152, 10798110, 11517984, 11731280, 11877921, 12904408, 13197690, 14077536, 14397480, 14517459, 15837228, 16130510, 17276976, 17596920, 19196640, 19356612, 19796535, 21116304, 21596220, 23462560, 23755842, 24195765, 25808816, 26395380, 28794960, 29034918, 31674456, 32261020, 34553952, 35193840, 38713224, 39593070, 42232608, 43192440, 43552377, 47511684, 48391530, 51617632, 52790760, 57589920, 58069836, 59389605, 63348912, 64522040, 70387680, 72587295, 77426448, 79186140, 86384880, 87104754, 95023368, 96783060, 105581520, 116139672, 118779210, 126697824, 129044080, 130657131, 145174590, 154852896, 158372280, 172769760, 174209508, 190046736, 193566120, 211163040, 217761885, 232279344, 237558420, 258088160, 261314262, 290349180, 316744560, 348419016, 380093472, 387132240, 435523770, 464558688, 475116840, 522628524, 580698360, 633489120, 653285655, 696838032, 774264480, 871047540, 950233680, 1045257048, 1161396720, 1306571310, 1393676064, 1742095080, 1900467360, 2090514096, 2322793440, 2613142620, 3484190160, 4181028192, 5226285240, 6968380320, 10452570480, 20905140960]

約数ペア:

[(1, 20905140960), (2, 10452570480), (3, 6968380320), (4, 5226285240), (5, 4181028192), (6, 3484190160), (8, 2613142620), (9, 2322793440), (10, 2090514096), (11, 1900467360), (12, 1742095080), (15, 1393676064), (16, 1306571310), (18, 1161396720), (20, 1045257048), (22, 950233680), (24, 871047540), (27, 774264480), (30, 696838032), (32, 653285655), (33, 633489120), (36, 580698360), (40, 522628524), (44, 475116840), (45, 464558688), (48, 435523770), (54, 387132240), (55, 380093472), (60, 348419016), (66, 316744560), (72, 290349180), (80, 261314262), (81, 258088160), (88, 237558420), (90, 232279344), (96, 217761885), (99, 211163040), (108, 193566120), (110, 190046736), (120, 174209508), (121, 172769760), (132, 158372280), (135, 154852896), (144, 145174590), (160, 130657131), (162, 129044080), (165, 126697824), (176, 118779210), (180, 116139672), (198, 105581520), (216, 96783060), (220, 95023368), (240, 87104754), (242, 86384880), (264, 79186140), (270, 77426448), (288, 72587295), (297, 70387680), (324, 64522040), (330, 63348912), (352, 59389605), (360, 58069836), (363, 57589920), (396, 52790760), (405, 51617632), (432, 48391530), (440, 47511684), (480, 43552377), (484, 43192440), (495, 42232608), (528, 39593070), (540, 38713224), (594, 35193840), (605, 34553952), (648, 32261020), (660, 31674456), (720, 29034918), (726, 28794960), (792, 26395380), (810, 25808816), (864, 24195765), (880, 23755842), (891, 23462560), (968, 21596220), (990, 21116304), (1056, 19796535), (1080, 19356612), (1089, 19196640), (1188, 17596920), (1210, 17276976), (1296, 16130510), (1320, 15837228), (1440, 14517459), (1452, 14397480), (1485, 14077536), (1584, 13197690), (1620, 12904408), (1760, 11877921), (1782, 11731280), (1815, 11517984), (1936, 10798110), (1980, 10558152), (2160, 9678306), (2178, 9598320), (2376, 8798460), (2420, 8638488), (2592, 8065255), (2640, 7918614), (2904, 7198740), (2970, 7038768), (3168, 6598845), (3240, 6452204), (3267, 6398880), (3564, 5865640), (3630, 5758992), (3872, 5399055), (3960, 5279076), (4320, 4839153), (4356, 4799160), (4455, 4692512), (4752, 4399230), (4840, 4319244), (5280, 3959307), (5445, 3839328), (5808, 3599370), (5940, 3519384), (6480, 3226102), (6534, 3199440), (7128, 2932820), (7260, 2879496), (7920, 2639538), (8712, 2399580), (8910, 2346256), (9504, 2199615), (9680, 2159622), (9801, 2132960), (10890, 1919664), (11616, 1799685), (11880, 1759692), (12960, 1613051), (13068, 1599720), (13331, 1568160), (14256, 1466410), (14520, 1439748), (15840, 1319769), (16335, 1279776), (17424, 1199790), (17820, 1173128), (19360, 1079811), (19602, 1066480), (21780, 959832), (23760, 879846), (26136, 799860), (26662, 784080), (28512, 733205), (29040, 719874), (32670, 639888), (34848, 599895), (35640, 586564), (39204, 533240), (39993, 522720), (43560, 479916), (47520, 439923), (49005, 426592), (52272, 399930), (53324, 392040), (58080, 359937), (65340, 319944), (66655, 313632), (71280, 293282), (78408, 266620), (79986, 261360), (87120, 239958), (98010, 213296), (104544, 199965), (106648, 196020), (119979, 174240), (130680, 159972), (133310, 156816), (142560, 146641)]