69906060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 245044800

約数和(自身を除く): 175138740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 109, 126, 140, 180, 210, 218, 252, 315, 327, 420, 436, 509, 545, 630, 654, 763, 981, 1018, 1090, 1260, 1308, 1526, 1527, 1635, 1962, 2036, 2180, 2289, 2545, 3052, 3054, 3270, 3563, 3815, 3924, 4578, 4581, 4905, 5090, 6108, 6540, 6867, 7126, 7630, 7635, 9156, 9162, 9810, 10180, 10689, 11445, 13734, 14252, 15260, 15270, 17815, 18324, 19620, 21378, 22890, 22905, 27468, 30540, 32067, 34335, 35630, 42756, 45780, 45810, 53445, 55481, 64134, 68670, 71260, 91620, 106890, 110962, 128268, 137340, 160335, 166443, 213780, 221924, 277405, 320670, 332886, 388367, 499329, 554810, 641340, 665772, 776734, 832215, 998658, 1109620, 1165101, 1553468, 1664430, 1941835, 1997316, 2330202, 2496645, 3328860, 3495303, 3883670, 4660404, 4993290, 5825505, 6990606, 7767340, 9986580, 11651010, 13981212, 17476515, 23302020, 34953030, 69906060]

約数ペア:

[(1, 69906060), (2, 34953030), (3, 23302020), (4, 17476515), (5, 13981212), (6, 11651010), (7, 9986580), (9, 7767340), (10, 6990606), (12, 5825505), (14, 4993290), (15, 4660404), (18, 3883670), (20, 3495303), (21, 3328860), (28, 2496645), (30, 2330202), (35, 1997316), (36, 1941835), (42, 1664430), (45, 1553468), (60, 1165101), (63, 1109620), (70, 998658), (84, 832215), (90, 776734), (105, 665772), (109, 641340), (126, 554810), (140, 499329), (180, 388367), (210, 332886), (218, 320670), (252, 277405), (315, 221924), (327, 213780), (420, 166443), (436, 160335), (509, 137340), (545, 128268), (630, 110962), (654, 106890), (763, 91620), (981, 71260), (1018, 68670), (1090, 64134), (1260, 55481), (1308, 53445), (1526, 45810), (1527, 45780), (1635, 42756), (1962, 35630), (2036, 34335), (2180, 32067), (2289, 30540), (2545, 27468), (3052, 22905), (3054, 22890), (3270, 21378), (3563, 19620), (3815, 18324), (3924, 17815), (4578, 15270), (4581, 15260), (4905, 14252), (5090, 13734), (6108, 11445), (6540, 10689), (6867, 10180), (7126, 9810), (7630, 9162), (7635, 9156)]