90404720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7019}}^1$

素因数の和:7062

約数の個数: 80

約数和(自身を含む): 250698240

約数和(自身を除く): 160293520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 7019, 12880, 14038, 28076, 35095, 49133, 56152, 70190, 98266, 112304, 140380, 161437, 196532, 245665, 280760, 322874, 393064, 491330, 561520, 645748, 786128, 807185, 982660, 1130059, 1291496, 1614370, 1965320, 2260118, 2582992, 3228740, 3930640, 4520236, 5650295, 6457480, 9040472, 11300590, 12914960, 18080944, 22601180, 45202360, 90404720]

約数ペア:

[(1, 90404720), (2, 45202360), (4, 22601180), (5, 18080944), (7, 12914960), (8, 11300590), (10, 9040472), (14, 6457480), (16, 5650295), (20, 4520236), (23, 3930640), (28, 3228740), (35, 2582992), (40, 2260118), (46, 1965320), (56, 1614370), (70, 1291496), (80, 1130059), (92, 982660), (112, 807185), (115, 786128), (140, 645748), (161, 561520), (184, 491330), (230, 393064), (280, 322874), (322, 280760), (368, 245665), (460, 196532), (560, 161437), (644, 140380), (805, 112304), (920, 98266), (1288, 70190), (1610, 56152), (1840, 49133), (2576, 35095), (3220, 28076), (6440, 14038), (7019, 12880)]