30480120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 192

約数和(自身を含む): 111196800

約数和(自身を除く): 80716680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 129, 132, 165, 172, 179, 180, 198, 215, 220, 258, 264, 330, 344, 358, 360, 387, 396, 430, 440, 473, 495, 516, 537, 645, 660, 716, 774, 792, 860, 895, 946, 990, 1032, 1074, 1290, 1320, 1419, 1432, 1548, 1611, 1720, 1790, 1892, 1935, 1969, 1980, 2148, 2365, 2580, 2685, 2838, 3096, 3222, 3580, 3784, 3870, 3938, 3960, 4257, 4296, 4730, 5160, 5370, 5676, 5907, 6444, 7095, 7160, 7697, 7740, 7876, 8055, 8514, 9460, 9845, 10740, 11352, 11814, 12888, 14190, 15394, 15480, 15752, 16110, 17028, 17721, 18920, 19690, 21285, 21480, 23091, 23628, 28380, 29535, 30788, 32220, 34056, 35442, 38485, 39380, 42570, 46182, 47256, 56760, 59070, 61576, 64440, 69273, 70884, 76970, 78760, 84667, 85140, 88605, 92364, 115455, 118140, 138546, 141768, 153940, 169334, 170280, 177210, 184728, 230910, 236280, 254001, 277092, 307880, 338668, 346365, 354420, 423335, 461820, 508002, 554184, 677336, 692730, 708840, 762003, 846670, 923640, 1016004, 1270005, 1385460, 1524006, 1693340, 2032008, 2540010, 2770920, 3048012, 3386680, 3810015, 5080020, 6096024, 7620030, 10160040, 15240060, 30480120]

約数ペア:

[(1, 30480120), (2, 15240060), (3, 10160040), (4, 7620030), (5, 6096024), (6, 5080020), (8, 3810015), (9, 3386680), (10, 3048012), (11, 2770920), (12, 2540010), (15, 2032008), (18, 1693340), (20, 1524006), (22, 1385460), (24, 1270005), (30, 1016004), (33, 923640), (36, 846670), (40, 762003), (43, 708840), (44, 692730), (45, 677336), (55, 554184), (60, 508002), (66, 461820), (72, 423335), (86, 354420), (88, 346365), (90, 338668), (99, 307880), (110, 277092), (120, 254001), (129, 236280), (132, 230910), (165, 184728), (172, 177210), (179, 170280), (180, 169334), (198, 153940), (215, 141768), (220, 138546), (258, 118140), (264, 115455), (330, 92364), (344, 88605), (358, 85140), (360, 84667), (387, 78760), (396, 76970), (430, 70884), (440, 69273), (473, 64440), (495, 61576), (516, 59070), (537, 56760), (645, 47256), (660, 46182), (716, 42570), (774, 39380), (792, 38485), (860, 35442), (895, 34056), (946, 32220), (990, 30788), (1032, 29535), (1074, 28380), (1290, 23628), (1320, 23091), (1419, 21480), (1432, 21285), (1548, 19690), (1611, 18920), (1720, 17721), (1790, 17028), (1892, 16110), (1935, 15752), (1969, 15480), (1980, 15394), (2148, 14190), (2365, 12888), (2580, 11814), (2685, 11352), (2838, 10740), (3096, 9845), (3222, 9460), (3580, 8514), (3784, 8055), (3870, 7876), (3938, 7740), (3960, 7697), (4257, 7160), (4296, 7095), (4730, 6444), (5160, 5907), (5370, 5676)]