1338485640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{22717}}^1$

素因数の和:23222

約数の個数: 64

約数和(自身を含む): 4023812160

約数和(自身を除く): 2685326520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 491, 982, 1473, 1964, 2455, 2946, 3928, 4910, 5892, 7365, 9820, 11784, 14730, 19640, 22717, 29460, 45434, 58920, 68151, 90868, 113585, 136302, 181736, 227170, 272604, 340755, 454340, 545208, 681510, 908680, 1363020, 2726040, 11154047, 22308094, 33462141, 44616188, 55770235, 66924282, 89232376, 111540470, 133848564, 167310705, 223080940, 267697128, 334621410, 446161880, 669242820, 1338485640]

約数ペア:

[(1, 1338485640), (2, 669242820), (3, 446161880), (4, 334621410), (5, 267697128), (6, 223080940), (8, 167310705), (10, 133848564), (12, 111540470), (15, 89232376), (20, 66924282), (24, 55770235), (30, 44616188), (40, 33462141), (60, 22308094), (120, 11154047), (491, 2726040), (982, 1363020), (1473, 908680), (1964, 681510), (2455, 545208), (2946, 454340), (3928, 340755), (4910, 272604), (5892, 227170), (7365, 181736), (9820, 136302), (11784, 113585), (14730, 90868), (19640, 68151), (22717, 58920), (29460, 45434)]