18341680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4679}}^1$

素因数の和:4706

約数の個数: 60

約数和(自身を含む): 49617360

約数和(自身を除く): 31275680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4679, 9358, 18716, 23395, 32753, 37432, 46790, 65506, 74864, 93580, 131012, 163765, 187160, 229271, 262024, 327530, 374320, 458542, 524048, 655060, 917084, 1146355, 1310120, 1834168, 2292710, 2620240, 3668336, 4585420, 9170840, 18341680]

約数ペア:

[(1, 18341680), (2, 9170840), (4, 4585420), (5, 3668336), (7, 2620240), (8, 2292710), (10, 1834168), (14, 1310120), (16, 1146355), (20, 917084), (28, 655060), (35, 524048), (40, 458542), (49, 374320), (56, 327530), (70, 262024), (80, 229271), (98, 187160), (112, 163765), (140, 131012), (196, 93580), (245, 74864), (280, 65506), (392, 46790), (490, 37432), (560, 32753), (784, 23395), (980, 18716), (1960, 9358), (3920, 4679)]