87380720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22291}}^1$

素因数の和:22318

約数の個数: 60

約数和(自身を含む): 236339784

約数和(自身を除く): 148959064

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, 22291, 44582, 89164, 111455, 156037, 178328, 222910, 312074, 356656, 445820, 624148, 780185, 891640, 1092259, 1248296, 1560370, 1783280, 2184518, 2496592, 3120740, 4369036, 5461295, 6241480, 8738072, 10922590, 12482960, 17476144, 21845180, 43690360, 87380720]

約数ペア:

[(1, 87380720), (2, 43690360), (4, 21845180), (5, 17476144), (7, 12482960), (8, 10922590), (10, 8738072), (14, 6241480), (16, 5461295), (20, 4369036), (28, 3120740), (35, 2496592), (40, 2184518), (49, 1783280), (56, 1560370), (70, 1248296), (80, 1092259), (98, 891640), (112, 780185), (140, 624148), (196, 445820), (245, 356656), (280, 312074), (392, 222910), (490, 178328), (560, 156037), (784, 111455), (980, 89164), (1960, 44582), (3920, 22291)]