1521440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 3705912

約数和(自身を除く): 2184472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 257, 296, 370, 514, 592, 740, 1028, 1184, 1285, 1480, 2056, 2570, 2960, 4112, 5140, 5920, 8224, 9509, 10280, 19018, 20560, 38036, 41120, 47545, 76072, 95090, 152144, 190180, 304288, 380360, 760720, 1521440]

約数ペア:

[(1, 1521440), (2, 760720), (4, 380360), (5, 304288), (8, 190180), (10, 152144), (16, 95090), (20, 76072), (32, 47545), (37, 41120), (40, 38036), (74, 20560), (80, 19018), (148, 10280), (160, 9509), (185, 8224), (257, 5920), (296, 5140), (370, 4112), (514, 2960), (592, 2570), (740, 2056), (1028, 1480), (1184, 1285)]