40178340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 129729600

約数和(自身を除く): 89551260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 179, 180, 215, 258, 261, 290, 348, 358, 387, 430, 435, 516, 522, 537, 580, 645, 716, 774, 860, 870, 895, 1044, 1074, 1247, 1290, 1305, 1548, 1611, 1740, 1790, 1935, 2148, 2494, 2580, 2610, 2685, 3222, 3580, 3741, 3870, 4988, 5191, 5220, 5370, 6235, 6444, 7482, 7697, 7740, 8055, 10382, 10740, 11223, 12470, 14964, 15394, 15573, 16110, 18705, 20764, 22446, 23091, 24940, 25955, 30788, 31146, 32220, 37410, 38485, 44892, 46182, 46719, 51910, 56115, 62292, 69273, 74820, 76970, 77865, 92364, 93438, 103820, 112230, 115455, 138546, 153940, 155730, 186876, 223213, 224460, 230910, 233595, 277092, 311460, 346365, 446426, 461820, 467190, 669639, 692730, 892852, 934380, 1116065, 1339278, 1385460, 2008917, 2232130, 2678556, 3348195, 4017834, 4464260, 6696390, 8035668, 10044585, 13392780, 20089170, 40178340]

約数ペア:

[(1, 40178340), (2, 20089170), (3, 13392780), (4, 10044585), (5, 8035668), (6, 6696390), (9, 4464260), (10, 4017834), (12, 3348195), (15, 2678556), (18, 2232130), (20, 2008917), (29, 1385460), (30, 1339278), (36, 1116065), (43, 934380), (45, 892852), (58, 692730), (60, 669639), (86, 467190), (87, 461820), (90, 446426), (116, 346365), (129, 311460), (145, 277092), (172, 233595), (174, 230910), (179, 224460), (180, 223213), (215, 186876), (258, 155730), (261, 153940), (290, 138546), (348, 115455), (358, 112230), (387, 103820), (430, 93438), (435, 92364), (516, 77865), (522, 76970), (537, 74820), (580, 69273), (645, 62292), (716, 56115), (774, 51910), (860, 46719), (870, 46182), (895, 44892), (1044, 38485), (1074, 37410), (1247, 32220), (1290, 31146), (1305, 30788), (1548, 25955), (1611, 24940), (1740, 23091), (1790, 22446), (1935, 20764), (2148, 18705), (2494, 16110), (2580, 15573), (2610, 15394), (2685, 14964), (3222, 12470), (3580, 11223), (3741, 10740), (3870, 10382), (4988, 8055), (5191, 7740), (5220, 7697), (5370, 7482), (6235, 6444)]