123191520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 192

約数和(自身を含む): 425005056

約数和(自身を除く): 301813536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 487, 496, 510, 527, 544, 620, 680, 744, 816, 930, 974, 992, 1020, 1054, 1240, 1360, 1461, 1488, 1581, 1632, 1860, 1948, 2040, 2108, 2435, 2480, 2635, 2720, 2922, 2976, 3162, 3720, 3896, 4080, 4216, 4870, 4960, 5270, 5844, 6324, 7305, 7440, 7792, 7905, 8160, 8279, 8432, 9740, 10540, 11688, 12648, 14610, 14880, 15097, 15584, 15810, 16558, 16864, 19480, 21080, 23376, 24837, 25296, 29220, 30194, 31620, 33116, 38960, 41395, 42160, 45291, 46752, 49674, 50592, 58440, 60388, 63240, 66232, 75485, 77920, 82790, 84320, 90582, 99348, 116880, 120776, 124185, 126480, 132464, 150970, 165580, 181164, 198696, 226455, 233760, 241552, 248370, 252960, 256649, 264928, 301940, 331160, 362328, 397392, 452910, 483104, 496740, 513298, 603880, 662320, 724656, 769947, 794784, 905820, 993480, 1026596, 1207760, 1283245, 1324640, 1449312, 1539894, 1811640, 1986960, 2053192, 2415520, 2566490, 3079788, 3623280, 3849735, 3973920, 4106384, 5132980, 6159576, 7246560, 7699470, 8212768, 10265960, 12319152, 15398940, 20531920, 24638304, 30797880, 41063840, 61595760, 123191520]

約数ペア:

[(1, 123191520), (2, 61595760), (3, 41063840), (4, 30797880), (5, 24638304), (6, 20531920), (8, 15398940), (10, 12319152), (12, 10265960), (15, 8212768), (16, 7699470), (17, 7246560), (20, 6159576), (24, 5132980), (30, 4106384), (31, 3973920), (32, 3849735), (34, 3623280), (40, 3079788), (48, 2566490), (51, 2415520), (60, 2053192), (62, 1986960), (68, 1811640), (80, 1539894), (85, 1449312), (93, 1324640), (96, 1283245), (102, 1207760), (120, 1026596), (124, 993480), (136, 905820), (155, 794784), (160, 769947), (170, 724656), (186, 662320), (204, 603880), (240, 513298), (248, 496740), (255, 483104), (272, 452910), (310, 397392), (340, 362328), (372, 331160), (408, 301940), (465, 264928), (480, 256649), (487, 252960), (496, 248370), (510, 241552), (527, 233760), (544, 226455), (620, 198696), (680, 181164), (744, 165580), (816, 150970), (930, 132464), (974, 126480), (992, 124185), (1020, 120776), (1054, 116880), (1240, 99348), (1360, 90582), (1461, 84320), (1488, 82790), (1581, 77920), (1632, 75485), (1860, 66232), (1948, 63240), (2040, 60388), (2108, 58440), (2435, 50592), (2480, 49674), (2635, 46752), (2720, 45291), (2922, 42160), (2976, 41395), (3162, 38960), (3720, 33116), (3896, 31620), (4080, 30194), (4216, 29220), (4870, 25296), (4960, 24837), (5270, 23376), (5844, 21080), (6324, 19480), (7305, 16864), (7440, 16558), (7792, 15810), (7905, 15584), (8160, 15097), (8279, 14880), (8432, 14610), (9740, 12648), (10540, 11688)]