131279040

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:679

約数の個数: 168

約数和(自身を含む): 458053440

約数和(自身を除く): 326774400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 577, 632, 711, 720, 790, 948, 960, 1154, 1185, 1264, 1422, 1440, 1580, 1731, 1896, 2308, 2370, 2528, 2844, 2880, 2885, 3160, 3462, 3555, 3792, 4616, 4740, 5056, 5193, 5688, 5770, 6320, 6924, 7110, 7584, 8655, 9232, 9480, 10386, 11376, 11540, 12640, 13848, 14220, 15168, 17310, 18464, 18960, 20772, 22752, 23080, 25280, 25965, 27696, 28440, 34620, 36928, 37920, 41544, 45504, 45583, 46160, 51930, 55392, 56880, 69240, 75840, 83088, 91166, 92320, 103860, 110784, 113760, 136749, 138480, 166176, 182332, 184640, 207720, 227520, 227915, 273498, 276960, 332352, 364664, 410247, 415440, 455830, 546996, 553920, 683745, 729328, 820494, 830880, 911660, 1093992, 1367490, 1458656, 1640988, 1661760, 1823320, 2051235, 2187984, 2734980, 2917312, 3281976, 3646640, 4102470, 4375968, 5469960, 6563952, 7293280, 8204940, 8751936, 10939920, 13127904, 14586560, 16409880, 21879840, 26255808, 32819760, 43759680, 65639520, 131279040]

約数ペア:

[(1, 131279040), (2, 65639520), (3, 43759680), (4, 32819760), (5, 26255808), (6, 21879840), (8, 16409880), (9, 14586560), (10, 13127904), (12, 10939920), (15, 8751936), (16, 8204940), (18, 7293280), (20, 6563952), (24, 5469960), (30, 4375968), (32, 4102470), (36, 3646640), (40, 3281976), (45, 2917312), (48, 2734980), (60, 2187984), (64, 2051235), (72, 1823320), (79, 1661760), (80, 1640988), (90, 1458656), (96, 1367490), (120, 1093992), (144, 911660), (158, 830880), (160, 820494), (180, 729328), (192, 683745), (237, 553920), (240, 546996), (288, 455830), (316, 415440), (320, 410247), (360, 364664), (395, 332352), (474, 276960), (480, 273498), (576, 227915), (577, 227520), (632, 207720), (711, 184640), (720, 182332), (790, 166176), (948, 138480), (960, 136749), (1154, 113760), (1185, 110784), (1264, 103860), (1422, 92320), (1440, 91166), (1580, 83088), (1731, 75840), (1896, 69240), (2308, 56880), (2370, 55392), (2528, 51930), (2844, 46160), (2880, 45583), (2885, 45504), (3160, 41544), (3462, 37920), (3555, 36928), (3792, 34620), (4616, 28440), (4740, 27696), (5056, 25965), (5193, 25280), (5688, 23080), (5770, 22752), (6320, 20772), (6924, 18960), (7110, 18464), (7584, 17310), (8655, 15168), (9232, 14220), (9480, 13848), (10386, 12640), (11376, 11540)]