990778608

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 160

約数和(自身を含む): 2931508800

約数和(自身を除く): 1940730192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 109, 144, 159, 212, 216, 218, 318, 327, 397, 424, 432, 436, 477, 636, 654, 794, 848, 872, 954, 981, 1191, 1272, 1308, 1431, 1588, 1744, 1908, 1962, 2382, 2544, 2616, 2862, 2943, 3176, 3573, 3816, 3924, 4764, 5232, 5724, 5777, 5886, 6352, 7146, 7632, 7848, 9528, 10719, 11448, 11554, 11772, 14292, 15696, 17331, 19056, 21041, 21438, 22896, 23108, 23544, 28584, 34662, 42082, 42876, 43273, 46216, 47088, 51993, 57168, 63123, 69324, 84164, 85752, 86546, 92432, 103986, 126246, 129819, 138648, 155979, 168328, 171504, 173092, 189369, 207972, 252492, 259638, 277296, 311958, 336656, 346184, 378738, 389457, 415944, 504984, 519276, 568107, 623916, 692368, 757476, 778914, 831888, 1009968, 1038552, 1136214, 1168371, 1247832, 1514952, 1557828, 2077104, 2272428, 2293469, 2336742, 2495664, 3029904, 3115656, 4544856, 4586938, 4673484, 6231312, 6880407, 9089712, 9173876, 9346968, 13760814, 18347752, 18693936, 20641221, 27521628, 36695504, 41282442, 55043256, 61923663, 82564884, 110086512, 123847326, 165129768, 247694652, 330259536, 495389304, 990778608]

約数ペア:

[(1, 990778608), (2, 495389304), (3, 330259536), (4, 247694652), (6, 165129768), (8, 123847326), (9, 110086512), (12, 82564884), (16, 61923663), (18, 55043256), (24, 41282442), (27, 36695504), (36, 27521628), (48, 20641221), (53, 18693936), (54, 18347752), (72, 13760814), (106, 9346968), (108, 9173876), (109, 9089712), (144, 6880407), (159, 6231312), (212, 4673484), (216, 4586938), (218, 4544856), (318, 3115656), (327, 3029904), (397, 2495664), (424, 2336742), (432, 2293469), (436, 2272428), (477, 2077104), (636, 1557828), (654, 1514952), (794, 1247832), (848, 1168371), (872, 1136214), (954, 1038552), (981, 1009968), (1191, 831888), (1272, 778914), (1308, 757476), (1431, 692368), (1588, 623916), (1744, 568107), (1908, 519276), (1962, 504984), (2382, 415944), (2544, 389457), (2616, 378738), (2862, 346184), (2943, 336656), (3176, 311958), (3573, 277296), (3816, 259638), (3924, 252492), (4764, 207972), (5232, 189369), (5724, 173092), (5777, 171504), (5886, 168328), (6352, 155979), (7146, 138648), (7632, 129819), (7848, 126246), (9528, 103986), (10719, 92432), (11448, 86546), (11554, 85752), (11772, 84164), (14292, 69324), (15696, 63123), (17331, 57168), (19056, 51993), (21041, 47088), (21438, 46216), (22896, 43273), (23108, 42876), (23544, 42082), (28584, 34662)]