18087040

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25976960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 479, 590, 640, 944, 958, 1180, 1888, 1916, 2360, 2395, 3776, 3832, 4720, 4790, 7552, 7664, 9440, 9580, 15328, 18880, 19160, 28261, 30656, 37760, 38320, 56522, 61312, 76640, 113044, 141305, 153280, 226088, 282610, 306560, 452176, 565220, 904352, 1130440, 1808704, 2260880, 3617408, 4521760, 9043520, 18087040]

約数ペア:

[(1, 18087040), (2, 9043520), (4, 4521760), (5, 3617408), (8, 2260880), (10, 1808704), (16, 1130440), (20, 904352), (32, 565220), (40, 452176), (59, 306560), (64, 282610), (80, 226088), (118, 153280), (128, 141305), (160, 113044), (236, 76640), (295, 61312), (320, 56522), (472, 38320), (479, 37760), (590, 30656), (640, 28261), (944, 19160), (958, 18880), (1180, 15328), (1888, 9580), (1916, 9440), (2360, 7664), (2395, 7552), (3776, 4790), (3832, 4720)]