155710240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19861}}^1$

素因数の和:19890

約数の個数: 72

約数和(自身を含む): 427946652

約数和(自身を除く): 272236412

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19861, 39722, 79444, 99305, 139027, 158888, 198610, 278054, 317776, 397220, 556108, 635552, 695135, 794440, 973189, 1112216, 1390270, 1588880, 1946378, 2224432, 2780540, 3177760, 3892756, 4448864, 4865945, 5561080, 7785512, 9731890, 11122160, 15571024, 19463780, 22244320, 31142048, 38927560, 77855120, 155710240]

約数ペア:

[(1, 155710240), (2, 77855120), (4, 38927560), (5, 31142048), (7, 22244320), (8, 19463780), (10, 15571024), (14, 11122160), (16, 9731890), (20, 7785512), (28, 5561080), (32, 4865945), (35, 4448864), (40, 3892756), (49, 3177760), (56, 2780540), (70, 2224432), (80, 1946378), (98, 1588880), (112, 1390270), (140, 1112216), (160, 973189), (196, 794440), (224, 695135), (245, 635552), (280, 556108), (392, 397220), (490, 317776), (560, 278054), (784, 198610), (980, 158888), (1120, 139027), (1568, 99305), (1960, 79444), (3920, 39722), (7840, 19861)]