66720696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1277}}^1$

素因数の和:1604

約数の個数: 64

約数和(自身を含む): 191393280

約数和(自身を除く): 124672584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 311, 622, 933, 1244, 1277, 1866, 2177, 2488, 2554, 3732, 3831, 4354, 5108, 6531, 7464, 7662, 8708, 8939, 10216, 13062, 15324, 17416, 17878, 26124, 26817, 30648, 35756, 52248, 53634, 71512, 107268, 214536, 397147, 794294, 1191441, 1588588, 2382882, 2780029, 3177176, 4765764, 5560058, 8340087, 9531528, 11120116, 16680174, 22240232, 33360348, 66720696]

約数ペア:

[(1, 66720696), (2, 33360348), (3, 22240232), (4, 16680174), (6, 11120116), (7, 9531528), (8, 8340087), (12, 5560058), (14, 4765764), (21, 3177176), (24, 2780029), (28, 2382882), (42, 1588588), (56, 1191441), (84, 794294), (168, 397147), (311, 214536), (622, 107268), (933, 71512), (1244, 53634), (1277, 52248), (1866, 35756), (2177, 30648), (2488, 26817), (2554, 26124), (3732, 17878), (3831, 17416), (4354, 15324), (5108, 13062), (6531, 10216), (7464, 8939), (7662, 8708)]