278389920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 924908544

約数和(自身を除く): 646518624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 53, 60, 62, 80, 93, 96, 106, 120, 124, 155, 159, 160, 186, 212, 240, 248, 265, 310, 318, 353, 372, 424, 465, 480, 496, 530, 620, 636, 706, 744, 795, 848, 930, 992, 1059, 1060, 1240, 1272, 1412, 1488, 1590, 1643, 1696, 1765, 1860, 2118, 2120, 2480, 2544, 2824, 2976, 3180, 3286, 3530, 3720, 4236, 4240, 4929, 4960, 5088, 5295, 5648, 6360, 6572, 7060, 7440, 8215, 8472, 8480, 9858, 10590, 10943, 11296, 12720, 13144, 14120, 14880, 16430, 16944, 18709, 19716, 21180, 21886, 24645, 25440, 26288, 28240, 32829, 32860, 33888, 37418, 39432, 42360, 43772, 49290, 52576, 54715, 56127, 56480, 65658, 65720, 74836, 78864, 84720, 87544, 93545, 98580, 109430, 112254, 131316, 131440, 149672, 157728, 164145, 169440, 175088, 187090, 197160, 218860, 224508, 262632, 262880, 280635, 299344, 328290, 350176, 374180, 394320, 437720, 449016, 525264, 561270, 579979, 598688, 656580, 748360, 788640, 875440, 898032, 1050528, 1122540, 1159958, 1313160, 1496720, 1739937, 1750880, 1796064, 2245080, 2319916, 2626320, 2899895, 2993440, 3479874, 4490160, 4639832, 5252640, 5799790, 6959748, 8699685, 8980320, 9279664, 11599580, 13919496, 17399370, 18559328, 23199160, 27838992, 34798740, 46398320, 55677984, 69597480, 92796640, 139194960, 278389920]

約数ペア:

[(1, 278389920), (2, 139194960), (3, 92796640), (4, 69597480), (5, 55677984), (6, 46398320), (8, 34798740), (10, 27838992), (12, 23199160), (15, 18559328), (16, 17399370), (20, 13919496), (24, 11599580), (30, 9279664), (31, 8980320), (32, 8699685), (40, 6959748), (48, 5799790), (53, 5252640), (60, 4639832), (62, 4490160), (80, 3479874), (93, 2993440), (96, 2899895), (106, 2626320), (120, 2319916), (124, 2245080), (155, 1796064), (159, 1750880), (160, 1739937), (186, 1496720), (212, 1313160), (240, 1159958), (248, 1122540), (265, 1050528), (310, 898032), (318, 875440), (353, 788640), (372, 748360), (424, 656580), (465, 598688), (480, 579979), (496, 561270), (530, 525264), (620, 449016), (636, 437720), (706, 394320), (744, 374180), (795, 350176), (848, 328290), (930, 299344), (992, 280635), (1059, 262880), (1060, 262632), (1240, 224508), (1272, 218860), (1412, 197160), (1488, 187090), (1590, 175088), (1643, 169440), (1696, 164145), (1765, 157728), (1860, 149672), (2118, 131440), (2120, 131316), (2480, 112254), (2544, 109430), (2824, 98580), (2976, 93545), (3180, 87544), (3286, 84720), (3530, 78864), (3720, 74836), (4236, 65720), (4240, 65658), (4929, 56480), (4960, 56127), (5088, 54715), (5295, 52576), (5648, 49290), (6360, 43772), (6572, 42360), (7060, 39432), (7440, 37418), (8215, 33888), (8472, 32860), (8480, 32829), (9858, 28240), (10590, 26288), (10943, 25440), (11296, 24645), (12720, 21886), (13144, 21180), (14120, 19716), (14880, 18709), (16430, 16944)]