16698780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 60016320

約数和(自身を除く): 43317540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 457, 522, 580, 609, 630, 812, 870, 914, 1015, 1044, 1218, 1260, 1305, 1371, 1740, 1827, 1828, 2030, 2285, 2436, 2610, 2742, 3045, 3199, 3654, 4060, 4113, 4570, 5220, 5484, 6090, 6398, 6855, 7308, 8226, 9135, 9140, 9597, 12180, 12796, 13253, 13710, 15995, 16452, 18270, 19194, 20565, 26506, 27420, 28791, 31990, 36540, 38388, 39759, 41130, 47985, 53012, 57582, 63980, 66265, 79518, 82260, 92771, 95970, 115164, 119277, 132530, 143955, 159036, 185542, 191940, 198795, 238554, 265060, 278313, 287910, 371084, 397590, 463855, 477108, 556626, 575820, 596385, 795180, 834939, 927710, 1113252, 1192770, 1391565, 1669878, 1855420, 2385540, 2783130, 3339756, 4174695, 5566260, 8349390, 16698780]

約数ペア:

[(1, 16698780), (2, 8349390), (3, 5566260), (4, 4174695), (5, 3339756), (6, 2783130), (7, 2385540), (9, 1855420), (10, 1669878), (12, 1391565), (14, 1192770), (15, 1113252), (18, 927710), (20, 834939), (21, 795180), (28, 596385), (29, 575820), (30, 556626), (35, 477108), (36, 463855), (42, 397590), (45, 371084), (58, 287910), (60, 278313), (63, 265060), (70, 238554), (84, 198795), (87, 191940), (90, 185542), (105, 159036), (116, 143955), (126, 132530), (140, 119277), (145, 115164), (174, 95970), (180, 92771), (203, 82260), (210, 79518), (252, 66265), (261, 63980), (290, 57582), (315, 53012), (348, 47985), (406, 41130), (420, 39759), (435, 38388), (457, 36540), (522, 31990), (580, 28791), (609, 27420), (630, 26506), (812, 20565), (870, 19194), (914, 18270), (1015, 16452), (1044, 15995), (1218, 13710), (1260, 13253), (1305, 12796), (1371, 12180), (1740, 9597), (1827, 9140), (1828, 9135), (2030, 8226), (2285, 7308), (2436, 6855), (2610, 6398), (2742, 6090), (3045, 5484), (3199, 5220), (3654, 4570), (4060, 4113)]