65708520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1051}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 197691840

約数和(自身を除く): 131983320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 1042, 1051, 1563, 2084, 2102, 2605, 3126, 3153, 4168, 4204, 5210, 5255, 6252, 6306, 7815, 8408, 10420, 10510, 12504, 12612, 15630, 15765, 20840, 21020, 25224, 31260, 31530, 42040, 62520, 63060, 126120, 547571, 1095142, 1642713, 2190284, 2737855, 3285426, 4380568, 5475710, 6570852, 8213565, 10951420, 13141704, 16427130, 21902840, 32854260, 65708520]

約数ペア:

[(1, 65708520), (2, 32854260), (3, 21902840), (4, 16427130), (5, 13141704), (6, 10951420), (8, 8213565), (10, 6570852), (12, 5475710), (15, 4380568), (20, 3285426), (24, 2737855), (30, 2190284), (40, 1642713), (60, 1095142), (120, 547571), (521, 126120), (1042, 63060), (1051, 62520), (1563, 42040), (2084, 31530), (2102, 31260), (2605, 25224), (3126, 21020), (3153, 20840), (4168, 15765), (4204, 15630), (5210, 12612), (5255, 12504), (6252, 10510), (6306, 10420), (7815, 8408)]