19943280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1319}}^1$

素因数の和:1348

約数の個数: 160

約数和(自身を含む): 78566400

約数和(自身を除く): 58623120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1319, 1512, 1680, 1890, 2160, 2520, 2638, 3024, 3780, 3957, 5040, 5276, 6595, 7560, 7914, 9233, 10552, 11871, 13190, 15120, 15828, 18466, 19785, 21104, 23742, 26380, 27699, 31656, 35613, 36932, 39570, 46165, 47484, 52760, 55398, 59355, 63312, 71226, 73864, 79140, 83097, 92330, 94968, 105520, 110796, 118710, 138495, 142452, 147728, 158280, 166194, 178065, 184660, 189936, 221592, 237420, 249291, 276990, 284904, 316560, 332388, 356130, 369320, 415485, 443184, 474840, 498582, 553980, 569808, 664776, 712260, 738640, 830970, 949680, 997164, 1107960, 1246455, 1329552, 1424520, 1661940, 1994328, 2215920, 2492910, 2849040, 3323880, 3988656, 4985820, 6647760, 9971640, 19943280]

約数ペア:

[(1, 19943280), (2, 9971640), (3, 6647760), (4, 4985820), (5, 3988656), (6, 3323880), (7, 2849040), (8, 2492910), (9, 2215920), (10, 1994328), (12, 1661940), (14, 1424520), (15, 1329552), (16, 1246455), (18, 1107960), (20, 997164), (21, 949680), (24, 830970), (27, 738640), (28, 712260), (30, 664776), (35, 569808), (36, 553980), (40, 498582), (42, 474840), (45, 443184), (48, 415485), (54, 369320), (56, 356130), (60, 332388), (63, 316560), (70, 284904), (72, 276990), (80, 249291), (84, 237420), (90, 221592), (105, 189936), (108, 184660), (112, 178065), (120, 166194), (126, 158280), (135, 147728), (140, 142452), (144, 138495), (168, 118710), (180, 110796), (189, 105520), (210, 94968), (216, 92330), (240, 83097), (252, 79140), (270, 73864), (280, 71226), (315, 63312), (336, 59355), (360, 55398), (378, 52760), (420, 47484), (432, 46165), (504, 39570), (540, 36932), (560, 35613), (630, 31656), (720, 27699), (756, 26380), (840, 23742), (945, 21104), (1008, 19785), (1080, 18466), (1260, 15828), (1319, 15120), (1512, 13190), (1680, 11871), (1890, 10552), (2160, 9233), (2520, 7914), (2638, 7560), (3024, 6595), (3780, 5276), (3957, 5040)]