80985540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2749}}^1$

素因数の和:3252

約数の個数: 48

約数和(自身を含む): 227304000

約数和(自身を除く): 146318460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 982, 1473, 1964, 2455, 2749, 2946, 4910, 5498, 5892, 7365, 8247, 9820, 10996, 13745, 14730, 16494, 27490, 29460, 32988, 41235, 54980, 82470, 164940, 1349759, 2699518, 4049277, 5399036, 6748795, 8098554, 13497590, 16197108, 20246385, 26995180, 40492770, 80985540]

約数ペア:

[(1, 80985540), (2, 40492770), (3, 26995180), (4, 20246385), (5, 16197108), (6, 13497590), (10, 8098554), (12, 6748795), (15, 5399036), (20, 4049277), (30, 2699518), (60, 1349759), (491, 164940), (982, 82470), (1473, 54980), (1964, 41235), (2455, 32988), (2749, 29460), (2946, 27490), (4910, 16494), (5498, 14730), (5892, 13745), (7365, 10996), (8247, 9820)]