64848640

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1797

約数の個数: 72

約数和(自身を含む): 160781040

約数和(自身を除く): 95932400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 928, 1160, 1280, 1747, 1856, 2320, 3494, 3712, 4640, 6988, 7424, 8735, 9280, 13976, 17470, 18560, 27952, 34940, 37120, 50663, 55904, 69880, 101326, 111808, 139760, 202652, 223616, 253315, 279520, 405304, 447232, 506630, 559040, 810608, 1013260, 1118080, 1621216, 2026520, 2236160, 3242432, 4053040, 6484864, 8106080, 12969728, 16212160, 32424320, 64848640]

約数ペア:

[(1, 64848640), (2, 32424320), (4, 16212160), (5, 12969728), (8, 8106080), (10, 6484864), (16, 4053040), (20, 3242432), (29, 2236160), (32, 2026520), (40, 1621216), (58, 1118080), (64, 1013260), (80, 810608), (116, 559040), (128, 506630), (145, 447232), (160, 405304), (232, 279520), (256, 253315), (290, 223616), (320, 202652), (464, 139760), (580, 111808), (640, 101326), (928, 69880), (1160, 55904), (1280, 50663), (1747, 37120), (1856, 34940), (2320, 27952), (3494, 18560), (3712, 17470), (4640, 13976), (6988, 9280), (7424, 8735)]