19717680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2833}}^1$

素因数の和:2878

約数の個数: 80

約数和(自身を含む): 63254880

約数和(自身を除く): 43537200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2833, 3480, 5666, 6960, 8499, 11332, 14165, 16998, 22664, 28330, 33996, 42495, 45328, 56660, 67992, 82157, 84990, 113320, 135984, 164314, 169980, 226640, 246471, 328628, 339960, 410785, 492942, 657256, 679920, 821570, 985884, 1232355, 1314512, 1643140, 1971768, 2464710, 3286280, 3943536, 4929420, 6572560, 9858840, 19717680]

約数ペア:

[(1, 19717680), (2, 9858840), (3, 6572560), (4, 4929420), (5, 3943536), (6, 3286280), (8, 2464710), (10, 1971768), (12, 1643140), (15, 1314512), (16, 1232355), (20, 985884), (24, 821570), (29, 679920), (30, 657256), (40, 492942), (48, 410785), (58, 339960), (60, 328628), (80, 246471), (87, 226640), (116, 169980), (120, 164314), (145, 135984), (174, 113320), (232, 84990), (240, 82157), (290, 67992), (348, 56660), (435, 45328), (464, 42495), (580, 33996), (696, 28330), (870, 22664), (1160, 16998), (1392, 14165), (1740, 11332), (2320, 8499), (2833, 6960), (3480, 5666)]