278675520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{877}}^1$

素因数の和:1228

約数の個数: 112

約数和(自身を含む): 888479808

約数和(自身を除く): 609804288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 331, 480, 662, 877, 960, 993, 1324, 1655, 1754, 1986, 2631, 2648, 3310, 3508, 3972, 4385, 4965, 5262, 5296, 6620, 7016, 7944, 8770, 9930, 10524, 10592, 13155, 13240, 14032, 15888, 17540, 19860, 21048, 21184, 26310, 26480, 28064, 31776, 35080, 39720, 42096, 52620, 52960, 56128, 63552, 70160, 79440, 84192, 105240, 105920, 140320, 158880, 168384, 210480, 280640, 290287, 317760, 420960, 580574, 841920, 870861, 1161148, 1451435, 1741722, 2322296, 2902870, 3483444, 4354305, 4644592, 5805740, 6966888, 8708610, 9289184, 11611480, 13933776, 17417220, 18578368, 23222960, 27867552, 34834440, 46445920, 55735104, 69668880, 92891840, 139337760, 278675520]

約数ペア:

[(1, 278675520), (2, 139337760), (3, 92891840), (4, 69668880), (5, 55735104), (6, 46445920), (8, 34834440), (10, 27867552), (12, 23222960), (15, 18578368), (16, 17417220), (20, 13933776), (24, 11611480), (30, 9289184), (32, 8708610), (40, 6966888), (48, 5805740), (60, 4644592), (64, 4354305), (80, 3483444), (96, 2902870), (120, 2322296), (160, 1741722), (192, 1451435), (240, 1161148), (320, 870861), (331, 841920), (480, 580574), (662, 420960), (877, 317760), (960, 290287), (993, 280640), (1324, 210480), (1655, 168384), (1754, 158880), (1986, 140320), (2631, 105920), (2648, 105240), (3310, 84192), (3508, 79440), (3972, 70160), (4385, 63552), (4965, 56128), (5262, 52960), (5296, 52620), (6620, 42096), (7016, 39720), (7944, 35080), (8770, 31776), (9930, 28064), (10524, 26480), (10592, 26310), (13155, 21184), (13240, 21048), (14032, 19860), (15888, 17540)]