7312640

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 18212040

約数和(自身を除く): 10899400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 197, 232, 256, 290, 320, 394, 464, 580, 640, 788, 928, 985, 1160, 1280, 1576, 1856, 1970, 2320, 3152, 3712, 3940, 4640, 5713, 6304, 7424, 7880, 9280, 11426, 12608, 15760, 18560, 22852, 25216, 28565, 31520, 37120, 45704, 50432, 57130, 63040, 91408, 114260, 126080, 182816, 228520, 252160, 365632, 457040, 731264, 914080, 1462528, 1828160, 3656320, 7312640]

約数ペア:

[(1, 7312640), (2, 3656320), (4, 1828160), (5, 1462528), (8, 914080), (10, 731264), (16, 457040), (20, 365632), (29, 252160), (32, 228520), (40, 182816), (58, 126080), (64, 114260), (80, 91408), (116, 63040), (128, 57130), (145, 50432), (160, 45704), (197, 37120), (232, 31520), (256, 28565), (290, 25216), (320, 22852), (394, 18560), (464, 15760), (580, 12608), (640, 11426), (788, 9280), (928, 7880), (985, 7424), (1160, 6304), (1280, 5713), (1576, 4640), (1856, 3940), (1970, 3712), (2320, 3152)]