128855520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2145

約数の個数: 144

約数和(自身を含む): 450161712

約数和(自身を除く): 321306192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2081, 2580, 3096, 3440, 3870, 4128, 4162, 5160, 6192, 6243, 6880, 7740, 8324, 10320, 10405, 12384, 12486, 15480, 16648, 18729, 20640, 20810, 24972, 30960, 31215, 33296, 37458, 41620, 49944, 61920, 62430, 66592, 74916, 83240, 89483, 93645, 99888, 124860, 149832, 166480, 178966, 187290, 199776, 249720, 268449, 299664, 332960, 357932, 374580, 447415, 499440, 536898, 599328, 715864, 749160, 805347, 894830, 998880, 1073796, 1342245, 1431728, 1498320, 1610694, 1789660, 2147592, 2684490, 2863456, 2996640, 3221388, 3579320, 4026735, 4295184, 5368980, 6442776, 7158640, 8053470, 8590368, 10737960, 12885552, 14317280, 16106940, 21475920, 25771104, 32213880, 42951840, 64427760, 128855520]

約数ペア:

[(1, 128855520), (2, 64427760), (3, 42951840), (4, 32213880), (5, 25771104), (6, 21475920), (8, 16106940), (9, 14317280), (10, 12885552), (12, 10737960), (15, 8590368), (16, 8053470), (18, 7158640), (20, 6442776), (24, 5368980), (30, 4295184), (32, 4026735), (36, 3579320), (40, 3221388), (43, 2996640), (45, 2863456), (48, 2684490), (60, 2147592), (72, 1789660), (80, 1610694), (86, 1498320), (90, 1431728), (96, 1342245), (120, 1073796), (129, 998880), (144, 894830), (160, 805347), (172, 749160), (180, 715864), (215, 599328), (240, 536898), (258, 499440), (288, 447415), (344, 374580), (360, 357932), (387, 332960), (430, 299664), (480, 268449), (516, 249720), (645, 199776), (688, 187290), (720, 178966), (774, 166480), (860, 149832), (1032, 124860), (1290, 99888), (1376, 93645), (1440, 89483), (1548, 83240), (1720, 74916), (1935, 66592), (2064, 62430), (2081, 61920), (2580, 49944), (3096, 41620), (3440, 37458), (3870, 33296), (4128, 31215), (4162, 30960), (5160, 24972), (6192, 20810), (6243, 20640), (6880, 18729), (7740, 16648), (8324, 15480), (10320, 12486), (10405, 12384)]