61779760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{110321}}^1$

素因数の和:110341

約数の個数: 40

約数和(自身を含む): 164159136

約数和(自身を除く): 102379376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 110321, 220642, 441284, 551605, 772247, 882568, 1103210, 1544494, 1765136, 2206420, 3088988, 3861235, 4412840, 6177976, 7722470, 8825680, 12355952, 15444940, 30889880, 61779760]

約数ペア:

[(1, 61779760), (2, 30889880), (4, 15444940), (5, 12355952), (7, 8825680), (8, 7722470), (10, 6177976), (14, 4412840), (16, 3861235), (20, 3088988), (28, 2206420), (35, 1765136), (40, 1544494), (56, 1103210), (70, 882568), (80, 772247), (112, 551605), (140, 441284), (280, 220642), (560, 110321)]