278946240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1303}}^1$

素因数の和:1546

約数の個数: 112

約数和(自身を含む): 890308608

約数和(自身を除く): 611362368

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, 223, 240, 320, 446, 480, 669, 892, 960, 1115, 1303, 1338, 1784, 2230, 2606, 2676, 3345, 3568, 3909, 4460, 5212, 5352, 6515, 6690, 7136, 7818, 8920, 10424, 10704, 13030, 13380, 14272, 15636, 17840, 19545, 20848, 21408, 26060, 26760, 31272, 35680, 39090, 41696, 42816, 52120, 53520, 62544, 71360, 78180, 83392, 104240, 107040, 125088, 156360, 208480, 214080, 250176, 290569, 312720, 416960, 581138, 625440, 871707, 1162276, 1250880, 1452845, 1743414, 2324552, 2905690, 3486828, 4358535, 4649104, 5811380, 6973656, 8717070, 9298208, 11622760, 13947312, 17434140, 18596416, 23245520, 27894624, 34868280, 46491040, 55789248, 69736560, 92982080, 139473120, 278946240]

約数ペア:

[(1, 278946240), (2, 139473120), (3, 92982080), (4, 69736560), (5, 55789248), (6, 46491040), (8, 34868280), (10, 27894624), (12, 23245520), (15, 18596416), (16, 17434140), (20, 13947312), (24, 11622760), (30, 9298208), (32, 8717070), (40, 6973656), (48, 5811380), (60, 4649104), (64, 4358535), (80, 3486828), (96, 2905690), (120, 2324552), (160, 1743414), (192, 1452845), (223, 1250880), (240, 1162276), (320, 871707), (446, 625440), (480, 581138), (669, 416960), (892, 312720), (960, 290569), (1115, 250176), (1303, 214080), (1338, 208480), (1784, 156360), (2230, 125088), (2606, 107040), (2676, 104240), (3345, 83392), (3568, 78180), (3909, 71360), (4460, 62544), (5212, 53520), (5352, 52120), (6515, 42816), (6690, 41696), (7136, 39090), (7818, 35680), (8920, 31272), (10424, 26760), (10704, 26060), (13030, 21408), (13380, 20848), (14272, 19545), (15636, 17840)]