81762780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 259507584

約数和(自身を除く): 177744804

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 67, 86, 110, 129, 132, 134, 165, 172, 201, 215, 220, 258, 268, 330, 335, 402, 430, 473, 516, 645, 660, 670, 737, 804, 860, 946, 1005, 1290, 1340, 1419, 1474, 1849, 1892, 2010, 2211, 2365, 2580, 2838, 2881, 2948, 3685, 3698, 4020, 4422, 4730, 5547, 5676, 5762, 7095, 7370, 7396, 8643, 8844, 9245, 9460, 11055, 11094, 11524, 14190, 14405, 14740, 17286, 18490, 20339, 22110, 22188, 27735, 28380, 28810, 31691, 34572, 36980, 40678, 43215, 44220, 55470, 57620, 61017, 63382, 81356, 86430, 95073, 101695, 110940, 122034, 123883, 126764, 158455, 172860, 190146, 203390, 244068, 247766, 305085, 316910, 371649, 380292, 406780, 475365, 495532, 610170, 619415, 633820, 743298, 950730, 1220340, 1238830, 1362713, 1486596, 1858245, 1901460, 2477660, 2725426, 3716490, 4088139, 5450852, 6813565, 7432980, 8176278, 13627130, 16352556, 20440695, 27254260, 40881390, 81762780]

約数ペア:

[(1, 81762780), (2, 40881390), (3, 27254260), (4, 20440695), (5, 16352556), (6, 13627130), (10, 8176278), (11, 7432980), (12, 6813565), (15, 5450852), (20, 4088139), (22, 3716490), (30, 2725426), (33, 2477660), (43, 1901460), (44, 1858245), (55, 1486596), (60, 1362713), (66, 1238830), (67, 1220340), (86, 950730), (110, 743298), (129, 633820), (132, 619415), (134, 610170), (165, 495532), (172, 475365), (201, 406780), (215, 380292), (220, 371649), (258, 316910), (268, 305085), (330, 247766), (335, 244068), (402, 203390), (430, 190146), (473, 172860), (516, 158455), (645, 126764), (660, 123883), (670, 122034), (737, 110940), (804, 101695), (860, 95073), (946, 86430), (1005, 81356), (1290, 63382), (1340, 61017), (1419, 57620), (1474, 55470), (1849, 44220), (1892, 43215), (2010, 40678), (2211, 36980), (2365, 34572), (2580, 31691), (2838, 28810), (2881, 28380), (2948, 27735), (3685, 22188), (3698, 22110), (4020, 20339), (4422, 18490), (4730, 17286), (5547, 14740), (5676, 14405), (5762, 14190), (7095, 11524), (7370, 11094), (7396, 11055), (8643, 9460), (8844, 9245)]