78379920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:430

約数の個数: 160

約数和(自身を含む): 273018240

約数和(自身を除く): 194638320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 131, 135, 144, 180, 216, 240, 262, 270, 277, 360, 393, 432, 524, 540, 554, 655, 720, 786, 831, 1048, 1080, 1108, 1179, 1310, 1385, 1572, 1662, 1965, 2096, 2160, 2216, 2358, 2493, 2620, 2770, 3144, 3324, 3537, 3930, 4155, 4432, 4716, 4986, 5240, 5540, 5895, 6288, 6648, 7074, 7479, 7860, 8310, 9432, 9972, 10480, 11080, 11790, 12465, 13296, 14148, 14958, 15720, 16620, 17685, 18864, 19944, 22160, 23580, 24930, 28296, 29916, 31440, 33240, 35370, 36287, 37395, 39888, 47160, 49860, 56592, 59832, 66480, 70740, 72574, 74790, 94320, 99720, 108861, 119664, 141480, 145148, 149580, 181435, 199440, 217722, 282960, 290296, 299160, 326583, 362870, 435444, 544305, 580592, 598320, 653166, 725740, 870888, 979749, 1088610, 1306332, 1451480, 1632915, 1741776, 1959498, 2177220, 2612664, 2902960, 3265830, 3918996, 4354440, 4898745, 5225328, 6531660, 7837992, 8708880, 9797490, 13063320, 15675984, 19594980, 26126640, 39189960, 78379920]

約数ペア:

[(1, 78379920), (2, 39189960), (3, 26126640), (4, 19594980), (5, 15675984), (6, 13063320), (8, 9797490), (9, 8708880), (10, 7837992), (12, 6531660), (15, 5225328), (16, 4898745), (18, 4354440), (20, 3918996), (24, 3265830), (27, 2902960), (30, 2612664), (36, 2177220), (40, 1959498), (45, 1741776), (48, 1632915), (54, 1451480), (60, 1306332), (72, 1088610), (80, 979749), (90, 870888), (108, 725740), (120, 653166), (131, 598320), (135, 580592), (144, 544305), (180, 435444), (216, 362870), (240, 326583), (262, 299160), (270, 290296), (277, 282960), (360, 217722), (393, 199440), (432, 181435), (524, 149580), (540, 145148), (554, 141480), (655, 119664), (720, 108861), (786, 99720), (831, 94320), (1048, 74790), (1080, 72574), (1108, 70740), (1179, 66480), (1310, 59832), (1385, 56592), (1572, 49860), (1662, 47160), (1965, 39888), (2096, 37395), (2160, 36287), (2216, 35370), (2358, 33240), (2493, 31440), (2620, 29916), (2770, 28296), (3144, 24930), (3324, 23580), (3537, 22160), (3930, 19944), (4155, 18864), (4432, 17685), (4716, 16620), (4986, 15720), (5240, 14958), (5540, 14148), (5895, 13296), (6288, 12465), (6648, 11790), (7074, 11080), (7479, 10480), (7860, 9972), (8310, 9432)]