2581860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 7430976

約数和(自身を除く): 4849116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 1163, 2220, 2326, 3489, 4652, 5815, 6978, 11630, 13956, 17445, 23260, 34890, 43031, 69780, 86062, 129093, 172124, 215155, 258186, 430310, 516372, 645465, 860620, 1290930, 2581860]

約数ペア:

[(1, 2581860), (2, 1290930), (3, 860620), (4, 645465), (5, 516372), (6, 430310), (10, 258186), (12, 215155), (15, 172124), (20, 129093), (30, 86062), (37, 69780), (60, 43031), (74, 34890), (111, 23260), (148, 17445), (185, 13956), (222, 11630), (370, 6978), (444, 5815), (555, 4652), (740, 3489), (1110, 2326), (1163, 2220)]