215706060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 715674960

約数和(自身を除く): 499968900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 43, 45, 58, 60, 62, 86, 87, 90, 93, 116, 124, 129, 145, 155, 172, 174, 180, 186, 215, 258, 261, 279, 290, 310, 348, 372, 387, 430, 435, 465, 516, 522, 558, 580, 620, 645, 774, 860, 870, 899, 930, 961, 1044, 1116, 1247, 1290, 1305, 1333, 1395, 1548, 1740, 1798, 1860, 1922, 1935, 2494, 2580, 2610, 2666, 2697, 2790, 2883, 3596, 3741, 3844, 3870, 3999, 4495, 4805, 4988, 5220, 5332, 5394, 5580, 5766, 6235, 6665, 7482, 7740, 7998, 8091, 8649, 8990, 9610, 10788, 11223, 11532, 11997, 12470, 13330, 13485, 14415, 14964, 15996, 16182, 17298, 17980, 18705, 19220, 19995, 22446, 23994, 24940, 26660, 26970, 27869, 28830, 32364, 34596, 37410, 38657, 39990, 40455, 41323, 43245, 44892, 47988, 53940, 55738, 56115, 57660, 59985, 74820, 77314, 79980, 80910, 82646, 83607, 86490, 111476, 112230, 115971, 119970, 123969, 139345, 154628, 161820, 165292, 167214, 172980, 193285, 206615, 224460, 231942, 239940, 247938, 250821, 278690, 334428, 347913, 371907, 386570, 413230, 418035, 463884, 495876, 501642, 557380, 579855, 619845, 695826, 743814, 773140, 826460, 836070, 1003284, 1159710, 1198367, 1239690, 1254105, 1391652, 1487628, 1672140, 1739565, 1859535, 2319420, 2396734, 2479380, 2508210, 3479130, 3595101, 3719070, 4793468, 5016420, 5991835, 6958260, 7190202, 7438140, 10785303, 11983670, 14380404, 17975505, 21570606, 23967340, 35951010, 43141212, 53926515, 71902020, 107853030, 215706060]

約数ペア:

[(1, 215706060), (2, 107853030), (3, 71902020), (4, 53926515), (5, 43141212), (6, 35951010), (9, 23967340), (10, 21570606), (12, 17975505), (15, 14380404), (18, 11983670), (20, 10785303), (29, 7438140), (30, 7190202), (31, 6958260), (36, 5991835), (43, 5016420), (45, 4793468), (58, 3719070), (60, 3595101), (62, 3479130), (86, 2508210), (87, 2479380), (90, 2396734), (93, 2319420), (116, 1859535), (124, 1739565), (129, 1672140), (145, 1487628), (155, 1391652), (172, 1254105), (174, 1239690), (180, 1198367), (186, 1159710), (215, 1003284), (258, 836070), (261, 826460), (279, 773140), (290, 743814), (310, 695826), (348, 619845), (372, 579855), (387, 557380), (430, 501642), (435, 495876), (465, 463884), (516, 418035), (522, 413230), (558, 386570), (580, 371907), (620, 347913), (645, 334428), (774, 278690), (860, 250821), (870, 247938), (899, 239940), (930, 231942), (961, 224460), (1044, 206615), (1116, 193285), (1247, 172980), (1290, 167214), (1305, 165292), (1333, 161820), (1395, 154628), (1548, 139345), (1740, 123969), (1798, 119970), (1860, 115971), (1922, 112230), (1935, 111476), (2494, 86490), (2580, 83607), (2610, 82646), (2666, 80910), (2697, 79980), (2790, 77314), (2883, 74820), (3596, 59985), (3741, 57660), (3844, 56115), (3870, 55738), (3999, 53940), (4495, 47988), (4805, 44892), (4988, 43245), (5220, 41323), (5332, 40455), (5394, 39990), (5580, 38657), (5766, 37410), (6235, 34596), (6665, 32364), (7482, 28830), (7740, 27869), (7998, 26970), (8091, 26660), (8649, 24940), (8990, 23994), (9610, 22446), (10788, 19995), (11223, 19220), (11532, 18705), (11997, 17980), (12470, 17298), (13330, 16182), (13485, 15996), (14415, 14964)]