71387120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18211}}^1$

素因数の和:18238

約数の個数: 60

約数和(自身を含む): 193083624

約数和(自身を除く): 121696504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18211, 36422, 72844, 91055, 127477, 145688, 182110, 254954, 291376, 364220, 509908, 637385, 728440, 892339, 1019816, 1274770, 1456880, 1784678, 2039632, 2549540, 3569356, 4461695, 5099080, 7138712, 8923390, 10198160, 14277424, 17846780, 35693560, 71387120]

約数ペア:

[(1, 71387120), (2, 35693560), (4, 17846780), (5, 14277424), (7, 10198160), (8, 8923390), (10, 7138712), (14, 5099080), (16, 4461695), (20, 3569356), (28, 2549540), (35, 2039632), (40, 1784678), (49, 1456880), (56, 1274770), (70, 1019816), (80, 892339), (98, 728440), (112, 637385), (140, 509908), (196, 364220), (245, 291376), (280, 254954), (392, 182110), (490, 145688), (560, 127477), (784, 91055), (980, 72844), (1960, 36422), (3920, 18211)]