61508020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1823}}^1$

素因数の和:2080

約数の個数: 48

約数和(自身を含む): 148313088

約数和(自身を除く): 86805068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1687, 1823, 2410, 3374, 3646, 4820, 6748, 7292, 8435, 9115, 12761, 16870, 18230, 25522, 33740, 36460, 51044, 63805, 127610, 255220, 439343, 878686, 1757372, 2196715, 3075401, 4393430, 6150802, 8786860, 12301604, 15377005, 30754010, 61508020]

約数ペア:

[(1, 61508020), (2, 30754010), (4, 15377005), (5, 12301604), (7, 8786860), (10, 6150802), (14, 4393430), (20, 3075401), (28, 2196715), (35, 1757372), (70, 878686), (140, 439343), (241, 255220), (482, 127610), (964, 63805), (1205, 51044), (1687, 36460), (1823, 33740), (2410, 25522), (3374, 18230), (3646, 16870), (4820, 12761), (6748, 9115), (7292, 8435)]