66639180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15643}}^1$

素因数の和:15726

約数の個数: 48

約数和(自身を含む): 189229824

約数和(自身を除く): 122590644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 15643, 31286, 46929, 62572, 78215, 93858, 156430, 187716, 234645, 312860, 469290, 938580, 1110653, 2221306, 3331959, 4442612, 5553265, 6663918, 11106530, 13327836, 16659795, 22213060, 33319590, 66639180]

約数ペア:

[(1, 66639180), (2, 33319590), (3, 22213060), (4, 16659795), (5, 13327836), (6, 11106530), (10, 6663918), (12, 5553265), (15, 4442612), (20, 3331959), (30, 2221306), (60, 1110653), (71, 938580), (142, 469290), (213, 312860), (284, 234645), (355, 187716), (426, 156430), (710, 93858), (852, 78215), (1065, 62572), (1420, 46929), (2130, 31286), (4260, 15643)]