19639680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 64113120

約数和(自身を除く): 44473440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 193, 212, 240, 265, 318, 320, 384, 386, 424, 480, 530, 579, 636, 640, 772, 795, 848, 960, 965, 1060, 1158, 1272, 1544, 1590, 1696, 1920, 1930, 2120, 2316, 2544, 2895, 3088, 3180, 3392, 3860, 4240, 4632, 5088, 5790, 6176, 6360, 6784, 7720, 8480, 9264, 10176, 10229, 11580, 12352, 12720, 15440, 16960, 18528, 20352, 20458, 23160, 24704, 25440, 30687, 30880, 33920, 37056, 40916, 46320, 50880, 51145, 61374, 61760, 74112, 81832, 92640, 101760, 102290, 122748, 123520, 153435, 163664, 185280, 204580, 245496, 306870, 327328, 370560, 409160, 490992, 613740, 654656, 818320, 981984, 1227480, 1309312, 1636640, 1963968, 2454960, 3273280, 3927936, 4909920, 6546560, 9819840, 19639680]

約数ペア:

[(1, 19639680), (2, 9819840), (3, 6546560), (4, 4909920), (5, 3927936), (6, 3273280), (8, 2454960), (10, 1963968), (12, 1636640), (15, 1309312), (16, 1227480), (20, 981984), (24, 818320), (30, 654656), (32, 613740), (40, 490992), (48, 409160), (53, 370560), (60, 327328), (64, 306870), (80, 245496), (96, 204580), (106, 185280), (120, 163664), (128, 153435), (159, 123520), (160, 122748), (192, 102290), (193, 101760), (212, 92640), (240, 81832), (265, 74112), (318, 61760), (320, 61374), (384, 51145), (386, 50880), (424, 46320), (480, 40916), (530, 37056), (579, 33920), (636, 30880), (640, 30687), (772, 25440), (795, 24704), (848, 23160), (960, 20458), (965, 20352), (1060, 18528), (1158, 16960), (1272, 15440), (1544, 12720), (1590, 12352), (1696, 11580), (1920, 10229), (1930, 10176), (2120, 9264), (2316, 8480), (2544, 7720), (2895, 6784), (3088, 6360), (3180, 6176), (3392, 5790), (3860, 5088), (4240, 4632)]