201664980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:774

約数の個数: 144

約数和(自身を含む): 672235200

約数和(自身を除く): 470570220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 179, 180, 198, 220, 330, 358, 396, 495, 537, 569, 660, 716, 895, 990, 1074, 1138, 1611, 1707, 1790, 1969, 1980, 2148, 2276, 2685, 2845, 3222, 3414, 3580, 3938, 5121, 5370, 5690, 5907, 6259, 6444, 6828, 7876, 8055, 8535, 9845, 10242, 10740, 11380, 11814, 12518, 16110, 17070, 17721, 18777, 19690, 20484, 23628, 25036, 25605, 29535, 31295, 32220, 34140, 35442, 37554, 39380, 51210, 56331, 59070, 62590, 70884, 75108, 88605, 93885, 101851, 102420, 112662, 118140, 125180, 177210, 187770, 203702, 225324, 281655, 305553, 354420, 375540, 407404, 509255, 563310, 611106, 916659, 1018510, 1120361, 1126620, 1222212, 1527765, 1833318, 2037020, 2240722, 3055530, 3361083, 3666636, 4481444, 4583295, 5601805, 6111060, 6722166, 9166590, 10083249, 11203610, 13444332, 16805415, 18333180, 20166498, 22407220, 33610830, 40332996, 50416245, 67221660, 100832490, 201664980]

約数ペア:

[(1, 201664980), (2, 100832490), (3, 67221660), (4, 50416245), (5, 40332996), (6, 33610830), (9, 22407220), (10, 20166498), (11, 18333180), (12, 16805415), (15, 13444332), (18, 11203610), (20, 10083249), (22, 9166590), (30, 6722166), (33, 6111060), (36, 5601805), (44, 4583295), (45, 4481444), (55, 3666636), (60, 3361083), (66, 3055530), (90, 2240722), (99, 2037020), (110, 1833318), (132, 1527765), (165, 1222212), (179, 1126620), (180, 1120361), (198, 1018510), (220, 916659), (330, 611106), (358, 563310), (396, 509255), (495, 407404), (537, 375540), (569, 354420), (660, 305553), (716, 281655), (895, 225324), (990, 203702), (1074, 187770), (1138, 177210), (1611, 125180), (1707, 118140), (1790, 112662), (1969, 102420), (1980, 101851), (2148, 93885), (2276, 88605), (2685, 75108), (2845, 70884), (3222, 62590), (3414, 59070), (3580, 56331), (3938, 51210), (5121, 39380), (5370, 37554), (5690, 35442), (5907, 34140), (6259, 32220), (6444, 31295), (6828, 29535), (7876, 25605), (8055, 25036), (8535, 23628), (9845, 20484), (10242, 19690), (10740, 18777), (11380, 17721), (11814, 17070), (12518, 16110)]