123557560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3221}}^1$

素因数の和:3376

約数の個数: 64

約数和(自身を含む): 320137920

約数和(自身を除く): 196580360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 548, 685, 959, 1096, 1370, 1918, 2740, 3221, 3836, 4795, 5480, 6442, 7672, 9590, 12884, 16105, 19180, 22547, 25768, 32210, 38360, 45094, 64420, 90188, 112735, 128840, 180376, 225470, 441277, 450940, 882554, 901880, 1765108, 2206385, 3088939, 3530216, 4412770, 6177878, 8825540, 12355756, 15444695, 17651080, 24711512, 30889390, 61778780, 123557560]

約数ペア:

[(1, 123557560), (2, 61778780), (4, 30889390), (5, 24711512), (7, 17651080), (8, 15444695), (10, 12355756), (14, 8825540), (20, 6177878), (28, 4412770), (35, 3530216), (40, 3088939), (56, 2206385), (70, 1765108), (137, 901880), (140, 882554), (274, 450940), (280, 441277), (548, 225470), (685, 180376), (959, 128840), (1096, 112735), (1370, 90188), (1918, 64420), (2740, 45094), (3221, 38360), (3836, 32210), (4795, 25768), (5480, 22547), (6442, 19180), (7672, 16105), (9590, 12884)]