397421520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{4691}}^1$

素因数の和:5060

約数の個数: 80

約数和(自身を含む): 1235760192

約数和(自身を除く): 838338672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 353, 706, 1059, 1412, 1765, 2118, 2824, 3530, 4236, 4691, 5295, 5648, 7060, 8472, 9382, 10590, 14073, 14120, 16944, 18764, 21180, 23455, 28146, 28240, 37528, 42360, 46910, 56292, 70365, 75056, 84720, 93820, 112584, 140730, 187640, 225168, 281460, 375280, 562920, 1125840, 1655923, 3311846, 4967769, 6623692, 8279615, 9935538, 13247384, 16559230, 19871076, 24838845, 26494768, 33118460, 39742152, 49677690, 66236920, 79484304, 99355380, 132473840, 198710760, 397421520]

約数ペア:

[(1, 397421520), (2, 198710760), (3, 132473840), (4, 99355380), (5, 79484304), (6, 66236920), (8, 49677690), (10, 39742152), (12, 33118460), (15, 26494768), (16, 24838845), (20, 19871076), (24, 16559230), (30, 13247384), (40, 9935538), (48, 8279615), (60, 6623692), (80, 4967769), (120, 3311846), (240, 1655923), (353, 1125840), (706, 562920), (1059, 375280), (1412, 281460), (1765, 225168), (2118, 187640), (2824, 140730), (3530, 112584), (4236, 93820), (4691, 84720), (5295, 75056), (5648, 70365), (7060, 56292), (8472, 46910), (9382, 42360), (10590, 37528), (14073, 28240), (14120, 28146), (16944, 23455), (18764, 21180)]