288680560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73643}}^1$

素因数の和:73670

約数の個数: 60

約数和(自身を含む): 780773688

約数和(自身を除く): 492093128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 73643, 147286, 294572, 368215, 515501, 589144, 736430, 1031002, 1178288, 1472860, 2062004, 2577505, 2945720, 3608507, 4124008, 5155010, 5891440, 7217014, 8248016, 10310020, 14434028, 18042535, 20620040, 28868056, 36085070, 41240080, 57736112, 72170140, 144340280, 288680560]

約数ペア:

[(1, 288680560), (2, 144340280), (4, 72170140), (5, 57736112), (7, 41240080), (8, 36085070), (10, 28868056), (14, 20620040), (16, 18042535), (20, 14434028), (28, 10310020), (35, 8248016), (40, 7217014), (49, 5891440), (56, 5155010), (70, 4124008), (80, 3608507), (98, 2945720), (112, 2577505), (140, 2062004), (196, 1472860), (245, 1178288), (280, 1031002), (392, 736430), (490, 589144), (560, 515501), (784, 368215), (980, 294572), (1960, 147286), (3920, 73643)]