2551620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 7632576

約数和(自身を除く): 5080956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1380, 1849, 1978, 2580, 2967, 3698, 3956, 4945, 5547, 5934, 7396, 9245, 9890, 11094, 11868, 14835, 18490, 19780, 22188, 27735, 29670, 36980, 42527, 55470, 59340, 85054, 110940, 127581, 170108, 212635, 255162, 425270, 510324, 637905, 850540, 1275810, 2551620]

約数ペア:

[(1, 2551620), (2, 1275810), (3, 850540), (4, 637905), (5, 510324), (6, 425270), (10, 255162), (12, 212635), (15, 170108), (20, 127581), (23, 110940), (30, 85054), (43, 59340), (46, 55470), (60, 42527), (69, 36980), (86, 29670), (92, 27735), (115, 22188), (129, 19780), (138, 18490), (172, 14835), (215, 11868), (230, 11094), (258, 9890), (276, 9245), (345, 7396), (430, 5934), (460, 5547), (516, 4945), (645, 3956), (690, 3698), (860, 2967), (989, 2580), (1290, 1978), (1380, 1849)]