28323240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 95040000

約数和(自身を除く): 66716760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 430, 440, 473, 499, 516, 645, 660, 860, 946, 998, 1032, 1290, 1320, 1419, 1497, 1720, 1892, 1996, 2365, 2495, 2580, 2838, 2994, 3784, 3992, 4730, 4990, 5160, 5489, 5676, 5988, 7095, 7485, 9460, 9980, 10978, 11352, 11976, 14190, 14970, 16467, 18920, 19960, 21457, 21956, 27445, 28380, 29940, 32934, 42914, 43912, 54890, 56760, 59880, 64371, 65868, 82335, 85828, 107285, 109780, 128742, 131736, 164670, 171656, 214570, 219560, 236027, 257484, 321855, 329340, 429140, 472054, 514968, 643710, 658680, 708081, 858280, 944108, 1180135, 1287420, 1416162, 1888216, 2360270, 2574840, 2832324, 3540405, 4720540, 5664648, 7080810, 9441080, 14161620, 28323240]

約数ペア:

[(1, 28323240), (2, 14161620), (3, 9441080), (4, 7080810), (5, 5664648), (6, 4720540), (8, 3540405), (10, 2832324), (11, 2574840), (12, 2360270), (15, 1888216), (20, 1416162), (22, 1287420), (24, 1180135), (30, 944108), (33, 858280), (40, 708081), (43, 658680), (44, 643710), (55, 514968), (60, 472054), (66, 429140), (86, 329340), (88, 321855), (110, 257484), (120, 236027), (129, 219560), (132, 214570), (165, 171656), (172, 164670), (215, 131736), (220, 128742), (258, 109780), (264, 107285), (330, 85828), (344, 82335), (430, 65868), (440, 64371), (473, 59880), (499, 56760), (516, 54890), (645, 43912), (660, 42914), (860, 32934), (946, 29940), (998, 28380), (1032, 27445), (1290, 21956), (1320, 21457), (1419, 19960), (1497, 18920), (1720, 16467), (1892, 14970), (1996, 14190), (2365, 11976), (2495, 11352), (2580, 10978), (2838, 9980), (2994, 9460), (3784, 7485), (3992, 7095), (4730, 5988), (4990, 5676), (5160, 5489)]