30508240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 81816192

約数和(自身を除く): 51307952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 347, 560, 628, 694, 785, 1099, 1256, 1388, 1570, 1735, 2198, 2429, 2512, 2776, 3140, 3470, 4396, 4858, 5495, 5552, 6280, 6940, 8792, 9716, 10990, 12145, 12560, 13880, 17584, 19432, 21980, 24290, 27760, 38864, 43960, 48580, 54479, 87920, 97160, 108958, 194320, 217916, 272395, 381353, 435832, 544790, 762706, 871664, 1089580, 1525412, 1906765, 2179160, 3050824, 3813530, 4358320, 6101648, 7627060, 15254120, 30508240]

約数ペア:

[(1, 30508240), (2, 15254120), (4, 7627060), (5, 6101648), (7, 4358320), (8, 3813530), (10, 3050824), (14, 2179160), (16, 1906765), (20, 1525412), (28, 1089580), (35, 871664), (40, 762706), (56, 544790), (70, 435832), (80, 381353), (112, 272395), (140, 217916), (157, 194320), (280, 108958), (314, 97160), (347, 87920), (560, 54479), (628, 48580), (694, 43960), (785, 38864), (1099, 27760), (1256, 24290), (1388, 21980), (1570, 19432), (1735, 17584), (2198, 13880), (2429, 12560), (2512, 12145), (2776, 10990), (3140, 9716), (3470, 8792), (4396, 6940), (4858, 6280), (5495, 5552)]