80770788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1627}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 234666432

約数和(自身を除く): 153895644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1379, 1627, 1773, 2364, 2758, 3254, 3546, 4137, 4881, 5516, 6508, 7092, 8274, 9762, 11389, 12411, 14643, 16548, 19524, 22778, 24822, 29286, 34167, 45556, 49644, 58572, 68334, 102501, 136668, 205002, 320519, 410004, 641038, 961557, 1282076, 1923114, 2243633, 2884671, 3846228, 4487266, 5769342, 6730899, 8974532, 11538684, 13461798, 20192697, 26923596, 40385394, 80770788]

約数ペア:

[(1, 80770788), (2, 40385394), (3, 26923596), (4, 20192697), (6, 13461798), (7, 11538684), (9, 8974532), (12, 6730899), (14, 5769342), (18, 4487266), (21, 3846228), (28, 2884671), (36, 2243633), (42, 1923114), (63, 1282076), (84, 961557), (126, 641038), (197, 410004), (252, 320519), (394, 205002), (591, 136668), (788, 102501), (1182, 68334), (1379, 58572), (1627, 49644), (1773, 45556), (2364, 34167), (2758, 29286), (3254, 24822), (3546, 22778), (4137, 19524), (4881, 16548), (5516, 14643), (6508, 12411), (7092, 11389), (8274, 9762)]