16855720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 44542080

約数和(自身を除く): 27686360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1627, 2072, 2590, 3254, 5180, 6508, 8135, 10360, 11389, 13016, 16270, 22778, 32540, 45556, 56945, 60199, 65080, 91112, 113890, 120398, 227780, 240796, 300995, 421393, 455560, 481592, 601990, 842786, 1203980, 1685572, 2106965, 2407960, 3371144, 4213930, 8427860, 16855720]

約数ペア:

[(1, 16855720), (2, 8427860), (4, 4213930), (5, 3371144), (7, 2407960), (8, 2106965), (10, 1685572), (14, 1203980), (20, 842786), (28, 601990), (35, 481592), (37, 455560), (40, 421393), (56, 300995), (70, 240796), (74, 227780), (140, 120398), (148, 113890), (185, 91112), (259, 65080), (280, 60199), (296, 56945), (370, 45556), (518, 32540), (740, 22778), (1036, 16270), (1295, 13016), (1480, 11389), (1627, 10360), (2072, 8135), (2590, 6508), (3254, 5180)]