123424640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6221}}^1$

素因数の和:6271

約数の個数: 64

約数和(自身を含む): 304629120

約数和(自身を除く): 181204480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 6221, 9920, 12442, 19840, 24884, 31105, 49768, 62210, 99536, 124420, 192851, 199072, 248840, 385702, 398144, 497680, 771404, 796288, 964255, 995360, 1542808, 1928510, 1990720, 3085616, 3857020, 3981440, 6171232, 7714040, 12342464, 15428080, 24684928, 30856160, 61712320, 123424640]

約数ペア:

[(1, 123424640), (2, 61712320), (4, 30856160), (5, 24684928), (8, 15428080), (10, 12342464), (16, 7714040), (20, 6171232), (31, 3981440), (32, 3857020), (40, 3085616), (62, 1990720), (64, 1928510), (80, 1542808), (124, 995360), (128, 964255), (155, 796288), (160, 771404), (248, 497680), (310, 398144), (320, 385702), (496, 248840), (620, 199072), (640, 192851), (992, 124420), (1240, 99536), (1984, 62210), (2480, 49768), (3968, 31105), (4960, 24884), (6221, 19840), (9920, 12442)]