766355480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{6427}}^1$

素因数の和:6720

約数の個数: 64

約数和(自身を含む): 1888289280

約数和(自身を除く): 1121933800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 271, 440, 542, 1084, 1355, 2168, 2710, 2981, 5420, 5962, 6427, 10840, 11924, 12854, 14905, 23848, 25708, 29810, 32135, 51416, 59620, 64270, 70697, 119240, 128540, 141394, 257080, 282788, 353485, 565576, 706970, 1413940, 1741717, 2827880, 3483434, 6966868, 8708585, 13933736, 17417170, 19158887, 34834340, 38317774, 69668680, 76635548, 95794435, 153271096, 191588870, 383177740, 766355480]

約数ペア:

[(1, 766355480), (2, 383177740), (4, 191588870), (5, 153271096), (8, 95794435), (10, 76635548), (11, 69668680), (20, 38317774), (22, 34834340), (40, 19158887), (44, 17417170), (55, 13933736), (88, 8708585), (110, 6966868), (220, 3483434), (271, 2827880), (440, 1741717), (542, 1413940), (1084, 706970), (1355, 565576), (2168, 353485), (2710, 282788), (2981, 257080), (5420, 141394), (5962, 128540), (6427, 119240), (10840, 70697), (11924, 64270), (12854, 59620), (14905, 51416), (23848, 32135), (25708, 29810)]