31173760

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 75741120

約数和(自身を除く): 44567360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 727, 1072, 1340, 1454, 2144, 2680, 2908, 3635, 4288, 5360, 5816, 7270, 8576, 10720, 11632, 14540, 21440, 23264, 29080, 42880, 46528, 48709, 58160, 93056, 97418, 116320, 194836, 232640, 243545, 389672, 465280, 487090, 779344, 974180, 1558688, 1948360, 3117376, 3896720, 6234752, 7793440, 15586880, 31173760]

約数ペア:

[(1, 31173760), (2, 15586880), (4, 7793440), (5, 6234752), (8, 3896720), (10, 3117376), (16, 1948360), (20, 1558688), (32, 974180), (40, 779344), (64, 487090), (67, 465280), (80, 389672), (128, 243545), (134, 232640), (160, 194836), (268, 116320), (320, 97418), (335, 93056), (536, 58160), (640, 48709), (670, 46528), (727, 42880), (1072, 29080), (1340, 23264), (1454, 21440), (2144, 14540), (2680, 11632), (2908, 10720), (3635, 8576), (4288, 7270), (5360, 5816)]