1268837440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9839}}^1$

素因数の和:9900

約数の個数: 112

約数和(自身を含む): 3359139840

約数和(自身を除く): 2090302400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4030, 4160, 4960, 6448, 8060, 9839, 9920, 12896, 16120, 19678, 25792, 32240, 39356, 49195, 64480, 78712, 98390, 127907, 128960, 157424, 196780, 255814, 305009, 314848, 393560, 511628, 610018, 629696, 639535, 787120, 1023256, 1220036, 1279070, 1525045, 1574240, 2046512, 2440072, 2558140, 3050090, 3148480, 3965117, 4093024, 4880144, 5116280, 6100180, 7930234, 8186048, 9760288, 10232560, 12200360, 15860468, 19520576, 19825585, 20465120, 24400720, 31720936, 39651170, 40930240, 48801440, 63441872, 79302340, 97602880, 126883744, 158604680, 253767488, 317209360, 634418720, 1268837440]

約数ペア:

[(1, 1268837440), (2, 634418720), (4, 317209360), (5, 253767488), (8, 158604680), (10, 126883744), (13, 97602880), (16, 79302340), (20, 63441872), (26, 48801440), (31, 40930240), (32, 39651170), (40, 31720936), (52, 24400720), (62, 20465120), (64, 19825585), (65, 19520576), (80, 15860468), (104, 12200360), (124, 10232560), (130, 9760288), (155, 8186048), (160, 7930234), (208, 6100180), (248, 5116280), (260, 4880144), (310, 4093024), (320, 3965117), (403, 3148480), (416, 3050090), (496, 2558140), (520, 2440072), (620, 2046512), (806, 1574240), (832, 1525045), (992, 1279070), (1040, 1220036), (1240, 1023256), (1612, 787120), (1984, 639535), (2015, 629696), (2080, 610018), (2480, 511628), (3224, 393560), (4030, 314848), (4160, 305009), (4960, 255814), (6448, 196780), (8060, 157424), (9839, 128960), (9920, 127907), (12896, 98390), (16120, 78712), (19678, 64480), (25792, 49195), (32240, 39356)]