78222720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 128

約数和(自身を含む): 252046080

約数和(自身を除く): 173823360

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, 128, 131, 160, 192, 240, 262, 311, 320, 384, 393, 480, 524, 622, 640, 655, 786, 933, 960, 1048, 1244, 1310, 1555, 1572, 1866, 1920, 1965, 2096, 2488, 2620, 3110, 3144, 3732, 3930, 4192, 4665, 4976, 5240, 6220, 6288, 7464, 7860, 8384, 9330, 9952, 10480, 12440, 12576, 14928, 15720, 16768, 18660, 19904, 20960, 24880, 25152, 29856, 31440, 37320, 39808, 40741, 41920, 49760, 50304, 59712, 62880, 74640, 81482, 83840, 99520, 119424, 122223, 125760, 149280, 162964, 199040, 203705, 244446, 251520, 298560, 325928, 407410, 488892, 597120, 611115, 651856, 814820, 977784, 1222230, 1303712, 1629640, 1955568, 2444460, 2607424, 3259280, 3911136, 4888920, 5214848, 6518560, 7822272, 9777840, 13037120, 15644544, 19555680, 26074240, 39111360, 78222720]

約数ペア:

[(1, 78222720), (2, 39111360), (3, 26074240), (4, 19555680), (5, 15644544), (6, 13037120), (8, 9777840), (10, 7822272), (12, 6518560), (15, 5214848), (16, 4888920), (20, 3911136), (24, 3259280), (30, 2607424), (32, 2444460), (40, 1955568), (48, 1629640), (60, 1303712), (64, 1222230), (80, 977784), (96, 814820), (120, 651856), (128, 611115), (131, 597120), (160, 488892), (192, 407410), (240, 325928), (262, 298560), (311, 251520), (320, 244446), (384, 203705), (393, 199040), (480, 162964), (524, 149280), (622, 125760), (640, 122223), (655, 119424), (786, 99520), (933, 83840), (960, 81482), (1048, 74640), (1244, 62880), (1310, 59712), (1555, 50304), (1572, 49760), (1866, 41920), (1920, 40741), (1965, 39808), (2096, 37320), (2488, 31440), (2620, 29856), (3110, 25152), (3144, 24880), (3732, 20960), (3930, 19904), (4192, 18660), (4665, 16768), (4976, 15720), (5240, 14928), (6220, 12576), (6288, 12440), (7464, 10480), (7860, 9952), (8384, 9330)]