16716280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 26621960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 263, 280, 454, 526, 908, 1052, 1135, 1315, 1589, 1816, 1841, 2104, 2270, 2630, 3178, 3682, 4540, 5260, 6356, 7364, 7945, 9080, 9205, 10520, 12712, 14728, 15890, 18410, 31780, 36820, 59701, 63560, 73640, 119402, 238804, 298505, 417907, 477608, 597010, 835814, 1194020, 1671628, 2089535, 2388040, 3343256, 4179070, 8358140, 16716280]

約数ペア:

[(1, 16716280), (2, 8358140), (4, 4179070), (5, 3343256), (7, 2388040), (8, 2089535), (10, 1671628), (14, 1194020), (20, 835814), (28, 597010), (35, 477608), (40, 417907), (56, 298505), (70, 238804), (140, 119402), (227, 73640), (263, 63560), (280, 59701), (454, 36820), (526, 31780), (908, 18410), (1052, 15890), (1135, 14728), (1315, 12712), (1589, 10520), (1816, 9205), (1841, 9080), (2104, 7945), (2270, 7364), (2630, 6356), (3178, 5260), (3682, 4540)]