80720718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 182552832

約数和(自身を除く): 101832114

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 43, 78, 82, 86, 123, 129, 246, 258, 533, 559, 587, 1066, 1118, 1174, 1599, 1677, 1761, 1763, 3198, 3354, 3522, 3526, 5289, 7631, 10578, 15262, 22893, 22919, 24067, 25241, 45786, 45838, 48134, 50482, 68757, 72201, 75723, 137514, 144402, 151446, 312871, 328133, 625742, 656266, 938613, 984399, 1034881, 1877226, 1968798, 2069762, 3104643, 6209286, 13453453, 26906906, 40360359, 80720718]

約数ペア:

[(1, 80720718), (2, 40360359), (3, 26906906), (6, 13453453), (13, 6209286), (26, 3104643), (39, 2069762), (41, 1968798), (43, 1877226), (78, 1034881), (82, 984399), (86, 938613), (123, 656266), (129, 625742), (246, 328133), (258, 312871), (533, 151446), (559, 144402), (587, 137514), (1066, 75723), (1118, 72201), (1174, 68757), (1599, 50482), (1677, 48134), (1761, 45838), (1763, 45786), (3198, 25241), (3354, 24067), (3522, 22919), (3526, 22893), (5289, 15262), (7631, 10578)]