31047720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 104163840

約数和(自身を除く): 73116120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 516, 547, 645, 660, 860, 946, 1032, 1094, 1290, 1320, 1419, 1641, 1720, 1892, 2188, 2365, 2580, 2735, 2838, 3282, 3784, 4376, 4730, 5160, 5470, 5676, 6017, 6564, 7095, 8205, 9460, 10940, 11352, 12034, 13128, 14190, 16410, 18051, 18920, 21880, 23521, 24068, 28380, 30085, 32820, 36102, 47042, 48136, 56760, 60170, 65640, 70563, 72204, 90255, 94084, 117605, 120340, 141126, 144408, 180510, 188168, 235210, 240680, 258731, 282252, 352815, 361020, 470420, 517462, 564504, 705630, 722040, 776193, 940840, 1034924, 1293655, 1411260, 1552386, 2069848, 2587310, 2822520, 3104772, 3880965, 5174620, 6209544, 7761930, 10349240, 15523860, 31047720]

約数ペア:

[(1, 31047720), (2, 15523860), (3, 10349240), (4, 7761930), (5, 6209544), (6, 5174620), (8, 3880965), (10, 3104772), (11, 2822520), (12, 2587310), (15, 2069848), (20, 1552386), (22, 1411260), (24, 1293655), (30, 1034924), (33, 940840), (40, 776193), (43, 722040), (44, 705630), (55, 564504), (60, 517462), (66, 470420), (86, 361020), (88, 352815), (110, 282252), (120, 258731), (129, 240680), (132, 235210), (165, 188168), (172, 180510), (215, 144408), (220, 141126), (258, 120340), (264, 117605), (330, 94084), (344, 90255), (430, 72204), (440, 70563), (473, 65640), (516, 60170), (547, 56760), (645, 48136), (660, 47042), (860, 36102), (946, 32820), (1032, 30085), (1094, 28380), (1290, 24068), (1320, 23521), (1419, 21880), (1641, 18920), (1720, 18051), (1892, 16410), (2188, 14190), (2365, 13128), (2580, 12034), (2735, 11352), (2838, 10940), (3282, 9460), (3784, 8205), (4376, 7095), (4730, 6564), (5160, 6017), (5470, 5676)]