28159020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 86626176

約数和(自身を除く): 58467156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2143, 2190, 2628, 3285, 4286, 4380, 6429, 6570, 8572, 10715, 12858, 13140, 19287, 21430, 25716, 32145, 38574, 42860, 64290, 77148, 96435, 128580, 156439, 192870, 312878, 385740, 469317, 625756, 782195, 938634, 1407951, 1564390, 1877268, 2346585, 2815902, 3128780, 4693170, 5631804, 7039755, 9386340, 14079510, 28159020]

約数ペア:

[(1, 28159020), (2, 14079510), (3, 9386340), (4, 7039755), (5, 5631804), (6, 4693170), (9, 3128780), (10, 2815902), (12, 2346585), (15, 1877268), (18, 1564390), (20, 1407951), (30, 938634), (36, 782195), (45, 625756), (60, 469317), (73, 385740), (90, 312878), (146, 192870), (180, 156439), (219, 128580), (292, 96435), (365, 77148), (438, 64290), (657, 42860), (730, 38574), (876, 32145), (1095, 25716), (1314, 21430), (1460, 19287), (2143, 13140), (2190, 12858), (2628, 10715), (3285, 8572), (4286, 6570), (4380, 6429)]