81571320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1674

約数の個数: 128

約数和(自身を含む): 277862400

約数和(自身を除く): 196291080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 90, 94, 108, 120, 135, 141, 180, 188, 216, 235, 270, 282, 360, 376, 423, 470, 540, 564, 705, 846, 940, 1080, 1128, 1269, 1410, 1607, 1692, 1880, 2115, 2538, 2820, 3214, 3384, 4230, 4821, 5076, 5640, 6345, 6428, 8035, 8460, 9642, 10152, 12690, 12856, 14463, 16070, 16920, 19284, 24105, 25380, 28926, 32140, 38568, 43389, 48210, 50760, 57852, 64280, 72315, 75529, 86778, 96420, 115704, 144630, 151058, 173556, 192840, 216945, 226587, 289260, 302116, 347112, 377645, 433890, 453174, 578520, 604232, 679761, 755290, 867780, 906348, 1132935, 1359522, 1510580, 1735560, 1812696, 2039283, 2265870, 2719044, 3021160, 3398805, 4078566, 4531740, 5438088, 6797610, 8157132, 9063480, 10196415, 13595220, 16314264, 20392830, 27190440, 40785660, 81571320]

約数ペア:

[(1, 81571320), (2, 40785660), (3, 27190440), (4, 20392830), (5, 16314264), (6, 13595220), (8, 10196415), (9, 9063480), (10, 8157132), (12, 6797610), (15, 5438088), (18, 4531740), (20, 4078566), (24, 3398805), (27, 3021160), (30, 2719044), (36, 2265870), (40, 2039283), (45, 1812696), (47, 1735560), (54, 1510580), (60, 1359522), (72, 1132935), (90, 906348), (94, 867780), (108, 755290), (120, 679761), (135, 604232), (141, 578520), (180, 453174), (188, 433890), (216, 377645), (235, 347112), (270, 302116), (282, 289260), (360, 226587), (376, 216945), (423, 192840), (470, 173556), (540, 151058), (564, 144630), (705, 115704), (846, 96420), (940, 86778), (1080, 75529), (1128, 72315), (1269, 64280), (1410, 57852), (1607, 50760), (1692, 48210), (1880, 43389), (2115, 38568), (2538, 32140), (2820, 28926), (3214, 25380), (3384, 24105), (4230, 19284), (4821, 16920), (5076, 16070), (5640, 14463), (6345, 12856), (6428, 12690), (8035, 10152), (8460, 9642)]