321757040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2879}}^1$

素因数の和:3030

約数の個数: 80

約数和(自身を含む): 822804480

約数和(自身を除く): 501047440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 880, 1016, 1270, 1397, 2032, 2540, 2794, 2879, 5080, 5588, 5758, 6985, 10160, 11176, 11516, 13970, 14395, 22352, 23032, 27940, 28790, 31669, 46064, 55880, 57580, 63338, 111760, 115160, 126676, 158345, 230320, 253352, 316690, 365633, 506704, 633380, 731266, 1266760, 1462532, 1828165, 2533520, 2925064, 3656330, 4021963, 5850128, 7312660, 8043926, 14625320, 16087852, 20109815, 29250640, 32175704, 40219630, 64351408, 80439260, 160878520, 321757040]

約数ペア:

[(1, 321757040), (2, 160878520), (4, 80439260), (5, 64351408), (8, 40219630), (10, 32175704), (11, 29250640), (16, 20109815), (20, 16087852), (22, 14625320), (40, 8043926), (44, 7312660), (55, 5850128), (80, 4021963), (88, 3656330), (110, 2925064), (127, 2533520), (176, 1828165), (220, 1462532), (254, 1266760), (440, 731266), (508, 633380), (635, 506704), (880, 365633), (1016, 316690), (1270, 253352), (1397, 230320), (2032, 158345), (2540, 126676), (2794, 115160), (2879, 111760), (5080, 63338), (5588, 57580), (5758, 55880), (6985, 46064), (10160, 31669), (11176, 28790), (11516, 27940), (13970, 23032), (14395, 22352)]