489072780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2963}}^1$

素因数の和:3116

約数の個数: 144

約数和(自身を含む): 1708971264

約数和(自身を除く): 1219898484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1260, 1310, 1572, 1834, 1965, 2358, 2620, 2751, 2963, 3668, 3930, 4585, 4716, 5502, 5895, 5926, 7860, 8253, 8889, 9170, 11004, 11790, 11852, 13755, 14815, 16506, 17778, 18340, 20741, 23580, 26667, 27510, 29630, 33012, 35556, 41265, 41482, 44445, 53334, 55020, 59260, 62223, 82530, 82964, 88890, 103705, 106668, 124446, 133335, 165060, 177780, 186669, 207410, 248892, 266670, 311115, 373338, 388153, 414820, 533340, 622230, 746676, 776306, 933345, 1164459, 1244460, 1552612, 1866690, 1940765, 2328918, 2717071, 3493377, 3733380, 3881530, 4657836, 5434142, 5822295, 6986754, 7763060, 8151213, 10868284, 11644590, 13585355, 13973508, 16302426, 17466885, 23289180, 24453639, 27170710, 32604852, 34933770, 40756065, 48907278, 54341420, 69867540, 81512130, 97814556, 122268195, 163024260, 244536390, 489072780]

約数ペア:

[(1, 489072780), (2, 244536390), (3, 163024260), (4, 122268195), (5, 97814556), (6, 81512130), (7, 69867540), (9, 54341420), (10, 48907278), (12, 40756065), (14, 34933770), (15, 32604852), (18, 27170710), (20, 24453639), (21, 23289180), (28, 17466885), (30, 16302426), (35, 13973508), (36, 13585355), (42, 11644590), (45, 10868284), (60, 8151213), (63, 7763060), (70, 6986754), (84, 5822295), (90, 5434142), (105, 4657836), (126, 3881530), (131, 3733380), (140, 3493377), (180, 2717071), (210, 2328918), (252, 1940765), (262, 1866690), (315, 1552612), (393, 1244460), (420, 1164459), (524, 933345), (630, 776306), (655, 746676), (786, 622230), (917, 533340), (1179, 414820), (1260, 388153), (1310, 373338), (1572, 311115), (1834, 266670), (1965, 248892), (2358, 207410), (2620, 186669), (2751, 177780), (2963, 165060), (3668, 133335), (3930, 124446), (4585, 106668), (4716, 103705), (5502, 88890), (5895, 82964), (5926, 82530), (7860, 62223), (8253, 59260), (8889, 55020), (9170, 53334), (11004, 44445), (11790, 41482), (11852, 41265), (13755, 35556), (14815, 33012), (16506, 29630), (17778, 27510), (18340, 26667), (20741, 23580)]