900720128

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 240

約数和(自身を含む): 2368515072

約数和(自身を除く): 1467794944

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 67, 77, 88, 112, 121, 124, 128, 134, 154, 176, 217, 224, 242, 248, 256, 268, 308, 341, 352, 434, 448, 469, 484, 496, 512, 536, 616, 682, 704, 737, 847, 868, 896, 938, 968, 992, 1072, 1232, 1364, 1408, 1474, 1694, 1736, 1792, 1876, 1936, 1984, 2077, 2144, 2387, 2464, 2728, 2816, 2948, 3388, 3472, 3584, 3751, 3752, 3872, 3968, 4154, 4288, 4774, 4928, 5159, 5456, 5632, 5896, 6776, 6944, 7502, 7504, 7744, 7936, 8107, 8308, 8576, 9548, 9856, 10318, 10912, 11792, 13552, 13888, 14539, 15004, 15008, 15488, 15872, 16214, 16616, 17152, 19096, 19712, 20636, 21824, 22847, 23584, 26257, 27104, 27776, 29078, 30008, 30016, 30976, 32428, 33232, 34304, 38192, 39424, 41272, 43648, 45694, 47168, 52514, 54208, 55552, 56749, 58156, 60016, 60032, 61952, 64856, 66464, 76384, 82544, 87296, 91388, 94336, 105028, 108416, 111104, 113498, 116312, 120032, 120064, 129712, 132928, 152768, 159929, 165088, 174592, 182776, 188672, 210056, 216832, 226996, 232624, 240064, 240128, 251317, 259424, 265856, 305536, 319858, 330176, 365552, 377344, 420112, 433664, 453992, 465248, 480128, 502634, 518848, 531712, 611072, 639716, 660352, 731104, 840224, 907984, 930496, 960256, 1005268, 1037696, 1063424, 1222144, 1279432, 1320704, 1462208, 1680448, 1759219, 1815968, 1860992, 1920512, 2010536, 2075392, 2558864, 2641408, 2924416, 3360896, 3518438, 3631936, 3721984, 4021072, 4150784, 5117728, 5848832, 6721792, 7036876, 7263872, 7443968, 8042144, 10235456, 11697664, 13443584, 14073752, 14527744, 16084288, 20470912, 28147504, 29055488, 32168576, 40941824, 56295008, 64337152, 81883648, 112590016, 128674304, 225180032, 450360064, 900720128]

約数ペア:

[(1, 900720128), (2, 450360064), (4, 225180032), (7, 128674304), (8, 112590016), (11, 81883648), (14, 64337152), (16, 56295008), (22, 40941824), (28, 32168576), (31, 29055488), (32, 28147504), (44, 20470912), (56, 16084288), (62, 14527744), (64, 14073752), (67, 13443584), (77, 11697664), (88, 10235456), (112, 8042144), (121, 7443968), (124, 7263872), (128, 7036876), (134, 6721792), (154, 5848832), (176, 5117728), (217, 4150784), (224, 4021072), (242, 3721984), (248, 3631936), (256, 3518438), (268, 3360896), (308, 2924416), (341, 2641408), (352, 2558864), (434, 2075392), (448, 2010536), (469, 1920512), (484, 1860992), (496, 1815968), (512, 1759219), (536, 1680448), (616, 1462208), (682, 1320704), (704, 1279432), (737, 1222144), (847, 1063424), (868, 1037696), (896, 1005268), (938, 960256), (968, 930496), (992, 907984), (1072, 840224), (1232, 731104), (1364, 660352), (1408, 639716), (1474, 611072), (1694, 531712), (1736, 518848), (1792, 502634), (1876, 480128), (1936, 465248), (1984, 453992), (2077, 433664), (2144, 420112), (2387, 377344), (2464, 365552), (2728, 330176), (2816, 319858), (2948, 305536), (3388, 265856), (3472, 259424), (3584, 251317), (3751, 240128), (3752, 240064), (3872, 232624), (3968, 226996), (4154, 216832), (4288, 210056), (4774, 188672), (4928, 182776), (5159, 174592), (5456, 165088), (5632, 159929), (5896, 152768), (6776, 132928), (6944, 129712), (7502, 120064), (7504, 120032), (7744, 116312), (7936, 113498), (8107, 111104), (8308, 108416), (8576, 105028), (9548, 94336), (9856, 91388), (10318, 87296), (10912, 82544), (11792, 76384), (13552, 66464), (13888, 64856), (14539, 61952), (15004, 60032), (15008, 60016), (15488, 58156), (15872, 56749), (16214, 55552), (16616, 54208), (17152, 52514), (19096, 47168), (19712, 45694), (20636, 43648), (21824, 41272), (22847, 39424), (23584, 38192), (26257, 34304), (27104, 33232), (27776, 32428), (29078, 30976), (30008, 30016)]