8169560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 21254400

約数和(自身を除く): 13084840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 179, 280, 326, 358, 652, 716, 815, 895, 1141, 1253, 1304, 1432, 1630, 1790, 2282, 2506, 3260, 3580, 4564, 5012, 5705, 6265, 6520, 7160, 9128, 10024, 11410, 12530, 22820, 25060, 29177, 45640, 50120, 58354, 116708, 145885, 204239, 233416, 291770, 408478, 583540, 816956, 1021195, 1167080, 1633912, 2042390, 4084780, 8169560]

約数ペア:

[(1, 8169560), (2, 4084780), (4, 2042390), (5, 1633912), (7, 1167080), (8, 1021195), (10, 816956), (14, 583540), (20, 408478), (28, 291770), (35, 233416), (40, 204239), (56, 145885), (70, 116708), (140, 58354), (163, 50120), (179, 45640), (280, 29177), (326, 25060), (358, 22820), (652, 12530), (716, 11410), (815, 10024), (895, 9128), (1141, 7160), (1253, 6520), (1304, 6265), (1432, 5705), (1630, 5012), (1790, 4564), (2282, 3580), (2506, 3260)]