81937590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1619}}^1$

素因数の和:1877

約数の個数: 64

約数和(自身を含む): 225815040

約数和(自身を除く): 143877450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 241, 482, 723, 1205, 1446, 1619, 1687, 2410, 3238, 3374, 3615, 4857, 5061, 7230, 8095, 8435, 9714, 10122, 11333, 16190, 16870, 22666, 24285, 25305, 33999, 48570, 50610, 56665, 67998, 113330, 169995, 339990, 390179, 780358, 1170537, 1950895, 2341074, 2731253, 3901790, 5462506, 5852685, 8193759, 11705370, 13656265, 16387518, 27312530, 40968795, 81937590]

約数ペア:

[(1, 81937590), (2, 40968795), (3, 27312530), (5, 16387518), (6, 13656265), (7, 11705370), (10, 8193759), (14, 5852685), (15, 5462506), (21, 3901790), (30, 2731253), (35, 2341074), (42, 1950895), (70, 1170537), (105, 780358), (210, 390179), (241, 339990), (482, 169995), (723, 113330), (1205, 67998), (1446, 56665), (1619, 50610), (1687, 48570), (2410, 33999), (3238, 25305), (3374, 24285), (3615, 22666), (4857, 16870), (5061, 16190), (7230, 11333), (8095, 10122), (8435, 9714)]