61005440

素因数分解:

$2^7\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 146880000

約数和(自身を除く): 85874560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 320, 398, 479, 640, 796, 958, 995, 1592, 1916, 1990, 2395, 3184, 3832, 3980, 4790, 6368, 7664, 7960, 9580, 12736, 15328, 15920, 19160, 25472, 30656, 31840, 38320, 61312, 63680, 76640, 95321, 127360, 153280, 190642, 306560, 381284, 476605, 762568, 953210, 1525136, 1906420, 3050272, 3812840, 6100544, 7625680, 12201088, 15251360, 30502720, 61005440]

約数ペア:

[(1, 61005440), (2, 30502720), (4, 15251360), (5, 12201088), (8, 7625680), (10, 6100544), (16, 3812840), (20, 3050272), (32, 1906420), (40, 1525136), (64, 953210), (80, 762568), (128, 476605), (160, 381284), (199, 306560), (320, 190642), (398, 153280), (479, 127360), (640, 95321), (796, 76640), (958, 63680), (995, 61312), (1592, 38320), (1916, 31840), (1990, 30656), (2395, 25472), (3184, 19160), (3832, 15920), (3980, 15328), (4790, 12736), (6368, 9580), (7664, 7960)]