142774240

素因数分解:

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

素因数の和:18240

約数の個数: 72

約数和(自身を含む): 392395752

約数和(自身を除く): 249621512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 18211, 36422, 72844, 91055, 127477, 145688, 182110, 254954, 291376, 364220, 509908, 582752, 637385, 728440, 892339, 1019816, 1274770, 1456880, 1784678, 2039632, 2549540, 2913760, 3569356, 4079264, 4461695, 5099080, 7138712, 8923390, 10198160, 14277424, 17846780, 20396320, 28554848, 35693560, 71387120, 142774240]

約数ペア:

[(1, 142774240), (2, 71387120), (4, 35693560), (5, 28554848), (7, 20396320), (8, 17846780), (10, 14277424), (14, 10198160), (16, 8923390), (20, 7138712), (28, 5099080), (32, 4461695), (35, 4079264), (40, 3569356), (49, 2913760), (56, 2549540), (70, 2039632), (80, 1784678), (98, 1456880), (112, 1274770), (140, 1019816), (160, 892339), (196, 728440), (224, 637385), (245, 582752), (280, 509908), (392, 364220), (490, 291376), (560, 254954), (784, 182110), (980, 145688), (1120, 127477), (1568, 91055), (1960, 72844), (3920, 36422), (7840, 18211)]