79476880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 212307840

約数和(自身を除く): 132830960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 409, 560, 694, 818, 1388, 1636, 1735, 2045, 2429, 2776, 2863, 3272, 3470, 4090, 4858, 5552, 5726, 6544, 6940, 8180, 9716, 11452, 12145, 13880, 14315, 16360, 19432, 22904, 24290, 27760, 28630, 32720, 38864, 45808, 48580, 57260, 97160, 114520, 141923, 194320, 229040, 283846, 567692, 709615, 993461, 1135384, 1419230, 1986922, 2270768, 2838460, 3973844, 4967305, 5676920, 7947688, 9934610, 11353840, 15895376, 19869220, 39738440, 79476880]

約数ペア:

[(1, 79476880), (2, 39738440), (4, 19869220), (5, 15895376), (7, 11353840), (8, 9934610), (10, 7947688), (14, 5676920), (16, 4967305), (20, 3973844), (28, 2838460), (35, 2270768), (40, 1986922), (56, 1419230), (70, 1135384), (80, 993461), (112, 709615), (140, 567692), (280, 283846), (347, 229040), (409, 194320), (560, 141923), (694, 114520), (818, 97160), (1388, 57260), (1636, 48580), (1735, 45808), (2045, 38864), (2429, 32720), (2776, 28630), (2863, 27760), (3272, 24290), (3470, 22904), (4090, 19432), (4858, 16360), (5552, 14315), (5726, 13880), (6544, 12145), (6940, 11452), (8180, 9716)]