15721440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{4679}}^1$

素因数の和:4704

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 40887840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 4679, 9358, 14037, 18716, 23395, 28074, 32753, 37432, 46790, 56148, 65506, 70185, 74864, 93580, 98259, 112296, 131012, 140370, 149728, 163765, 187160, 196518, 224592, 262024, 280740, 327530, 374320, 393036, 449184, 491295, 524048, 561480, 655060, 748640, 786072, 982590, 1048096, 1122960, 1310120, 1572144, 1965180, 2245920, 2620240, 3144288, 3930360, 5240480, 7860720, 15721440]

約数ペア:

[(1, 15721440), (2, 7860720), (3, 5240480), (4, 3930360), (5, 3144288), (6, 2620240), (7, 2245920), (8, 1965180), (10, 1572144), (12, 1310120), (14, 1122960), (15, 1048096), (16, 982590), (20, 786072), (21, 748640), (24, 655060), (28, 561480), (30, 524048), (32, 491295), (35, 449184), (40, 393036), (42, 374320), (48, 327530), (56, 280740), (60, 262024), (70, 224592), (80, 196518), (84, 187160), (96, 163765), (105, 149728), (112, 140370), (120, 131012), (140, 112296), (160, 98259), (168, 93580), (210, 74864), (224, 70185), (240, 65506), (280, 56148), (336, 46790), (420, 37432), (480, 32753), (560, 28074), (672, 23395), (840, 18716), (1120, 14037), (1680, 9358), (3360, 4679)]