16325820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{617}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 59179680

約数和(自身を除く): 42853860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 617, 630, 735, 756, 882, 945, 980, 1234, 1260, 1323, 1470, 1764, 1851, 1890, 2205, 2468, 2646, 2940, 3085, 3702, 3780, 4319, 4410, 5292, 5553, 6170, 6615, 7404, 8638, 8820, 9255, 11106, 12340, 12957, 13230, 16659, 17276, 18510, 21595, 22212, 25914, 26460, 27765, 30233, 33318, 37020, 38871, 43190, 51828, 55530, 60466, 64785, 66636, 77742, 83295, 86380, 90699, 111060, 116613, 120932, 129570, 151165, 155484, 166590, 181398, 194355, 233226, 259140, 272097, 302330, 333180, 362796, 388710, 453495, 466452, 544194, 583065, 604660, 777420, 816291, 906990, 1088388, 1166130, 1360485, 1632582, 1813980, 2332260, 2720970, 3265164, 4081455, 5441940, 8162910, 16325820]

約数ペア:

[(1, 16325820), (2, 8162910), (3, 5441940), (4, 4081455), (5, 3265164), (6, 2720970), (7, 2332260), (9, 1813980), (10, 1632582), (12, 1360485), (14, 1166130), (15, 1088388), (18, 906990), (20, 816291), (21, 777420), (27, 604660), (28, 583065), (30, 544194), (35, 466452), (36, 453495), (42, 388710), (45, 362796), (49, 333180), (54, 302330), (60, 272097), (63, 259140), (70, 233226), (84, 194355), (90, 181398), (98, 166590), (105, 155484), (108, 151165), (126, 129570), (135, 120932), (140, 116613), (147, 111060), (180, 90699), (189, 86380), (196, 83295), (210, 77742), (245, 66636), (252, 64785), (270, 60466), (294, 55530), (315, 51828), (378, 43190), (420, 38871), (441, 37020), (490, 33318), (540, 30233), (588, 27765), (617, 26460), (630, 25914), (735, 22212), (756, 21595), (882, 18510), (945, 17276), (980, 16659), (1234, 13230), (1260, 12957), (1323, 12340), (1470, 11106), (1764, 9255), (1851, 8820), (1890, 8638), (2205, 7404), (2468, 6615), (2646, 6170), (2940, 5553), (3085, 5292), (3702, 4410), (3780, 4319)]