83856640

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 235468800

約数和(自身を除く): 151612160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 191, 196, 224, 245, 256, 280, 320, 343, 382, 392, 448, 490, 560, 640, 686, 764, 784, 896, 955, 980, 1120, 1280, 1337, 1372, 1528, 1568, 1715, 1792, 1910, 1960, 2240, 2674, 2744, 3056, 3136, 3430, 3820, 3920, 4480, 5348, 5488, 6112, 6272, 6685, 6860, 7640, 7840, 8960, 9359, 10696, 10976, 12224, 12544, 13370, 13720, 15280, 15680, 18718, 21392, 21952, 24448, 26740, 27440, 30560, 31360, 37436, 42784, 43904, 46795, 48896, 53480, 54880, 61120, 62720, 65513, 74872, 85568, 87808, 93590, 106960, 109760, 122240, 131026, 149744, 171136, 187180, 213920, 219520, 244480, 262052, 299488, 327565, 342272, 374360, 427840, 439040, 524104, 598976, 655130, 748720, 855680, 1048208, 1197952, 1310260, 1497440, 1711360, 2096416, 2395904, 2620520, 2994880, 4192832, 5241040, 5989760, 8385664, 10482080, 11979520, 16771328, 20964160, 41928320, 83856640]

約数ペア:

[(1, 83856640), (2, 41928320), (4, 20964160), (5, 16771328), (7, 11979520), (8, 10482080), (10, 8385664), (14, 5989760), (16, 5241040), (20, 4192832), (28, 2994880), (32, 2620520), (35, 2395904), (40, 2096416), (49, 1711360), (56, 1497440), (64, 1310260), (70, 1197952), (80, 1048208), (98, 855680), (112, 748720), (128, 655130), (140, 598976), (160, 524104), (191, 439040), (196, 427840), (224, 374360), (245, 342272), (256, 327565), (280, 299488), (320, 262052), (343, 244480), (382, 219520), (392, 213920), (448, 187180), (490, 171136), (560, 149744), (640, 131026), (686, 122240), (764, 109760), (784, 106960), (896, 93590), (955, 87808), (980, 85568), (1120, 74872), (1280, 65513), (1337, 62720), (1372, 61120), (1528, 54880), (1568, 53480), (1715, 48896), (1792, 46795), (1910, 43904), (1960, 42784), (2240, 37436), (2674, 31360), (2744, 30560), (3056, 27440), (3136, 26740), (3430, 24448), (3820, 21952), (3920, 21392), (4480, 18718), (5348, 15680), (5488, 15280), (6112, 13720), (6272, 13370), (6685, 12544), (6860, 12224), (7640, 10976), (7840, 10696), (8960, 9359)]