18142880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 31644256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 167, 194, 224, 280, 334, 388, 485, 560, 668, 679, 776, 835, 970, 1120, 1169, 1336, 1358, 1552, 1670, 1940, 2338, 2672, 2716, 3104, 3340, 3395, 3880, 4676, 5344, 5432, 5845, 6680, 6790, 7760, 9352, 10864, 11690, 13360, 13580, 15520, 16199, 18704, 21728, 23380, 26720, 27160, 32398, 37408, 46760, 54320, 64796, 80995, 93520, 108640, 113393, 129592, 161990, 187040, 226786, 259184, 323980, 453572, 518368, 566965, 647960, 907144, 1133930, 1295920, 1814288, 2267860, 2591840, 3628576, 4535720, 9071440, 18142880]

約数ペア:

[(1, 18142880), (2, 9071440), (4, 4535720), (5, 3628576), (7, 2591840), (8, 2267860), (10, 1814288), (14, 1295920), (16, 1133930), (20, 907144), (28, 647960), (32, 566965), (35, 518368), (40, 453572), (56, 323980), (70, 259184), (80, 226786), (97, 187040), (112, 161990), (140, 129592), (160, 113393), (167, 108640), (194, 93520), (224, 80995), (280, 64796), (334, 54320), (388, 46760), (485, 37408), (560, 32398), (668, 27160), (679, 26720), (776, 23380), (835, 21728), (970, 18704), (1120, 16199), (1169, 15520), (1336, 13580), (1358, 13360), (1552, 11690), (1670, 10864), (1940, 9352), (2338, 7760), (2672, 6790), (2716, 6680), (3104, 5845), (3340, 5432), (3395, 5344), (3880, 4676)]