181400240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1427}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 484468992

約数和(自身を除く): 303068752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1427, 1589, 1816, 2270, 2854, 3178, 3632, 4540, 5708, 6356, 7135, 7945, 9080, 9989, 11416, 12712, 14270, 15890, 18160, 19978, 22832, 25424, 28540, 31780, 39956, 49945, 57080, 63560, 79912, 99890, 114160, 127120, 159824, 199780, 323929, 399560, 647858, 799120, 1295716, 1619645, 2267503, 2591432, 3239290, 4535006, 5182864, 6478580, 9070012, 11337515, 12957160, 18140024, 22675030, 25914320, 36280048, 45350060, 90700120, 181400240]

約数ペア:

[(1, 181400240), (2, 90700120), (4, 45350060), (5, 36280048), (7, 25914320), (8, 22675030), (10, 18140024), (14, 12957160), (16, 11337515), (20, 9070012), (28, 6478580), (35, 5182864), (40, 4535006), (56, 3239290), (70, 2591432), (80, 2267503), (112, 1619645), (140, 1295716), (227, 799120), (280, 647858), (454, 399560), (560, 323929), (908, 199780), (1135, 159824), (1427, 127120), (1589, 114160), (1816, 99890), (2270, 79912), (2854, 63560), (3178, 57080), (3632, 49945), (4540, 39956), (5708, 31780), (6356, 28540), (7135, 25424), (7945, 22832), (9080, 19978), (9989, 18160), (11416, 15890), (12712, 14270)]