66121880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1459}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 163987200

約数和(自身を除く): 97865320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1459, 2060, 2266, 2918, 4120, 4532, 5665, 5836, 7295, 9064, 11330, 11672, 14590, 16049, 22660, 29180, 32098, 45320, 58360, 64196, 80245, 128392, 150277, 160490, 300554, 320980, 601108, 641960, 751385, 1202216, 1502770, 1653047, 3005540, 3306094, 6011080, 6612188, 8265235, 13224376, 16530470, 33060940, 66121880]

約数ペア:

[(1, 66121880), (2, 33060940), (4, 16530470), (5, 13224376), (8, 8265235), (10, 6612188), (11, 6011080), (20, 3306094), (22, 3005540), (40, 1653047), (44, 1502770), (55, 1202216), (88, 751385), (103, 641960), (110, 601108), (206, 320980), (220, 300554), (412, 160490), (440, 150277), (515, 128392), (824, 80245), (1030, 64196), (1133, 58360), (1459, 45320), (2060, 32098), (2266, 29180), (2918, 22660), (4120, 16049), (4532, 14590), (5665, 11672), (5836, 11330), (7295, 9064)]