66561420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25799}}^1$

素因数の和:25854

約数の個数: 48

約数和(自身を含む): 190713600

約数和(自身を除く): 124152180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25799, 51598, 77397, 103196, 128995, 154794, 257990, 309588, 386985, 515980, 773970, 1109357, 1547940, 2218714, 3328071, 4437428, 5546785, 6656142, 11093570, 13312284, 16640355, 22187140, 33280710, 66561420]

約数ペア:

[(1, 66561420), (2, 33280710), (3, 22187140), (4, 16640355), (5, 13312284), (6, 11093570), (10, 6656142), (12, 5546785), (15, 4437428), (20, 3328071), (30, 2218714), (43, 1547940), (60, 1109357), (86, 773970), (129, 515980), (172, 386985), (215, 309588), (258, 257990), (430, 154794), (516, 128995), (645, 103196), (860, 77397), (1290, 51598), (2580, 25799)]