78080800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 221985792

約数和(自身を除く): 143904992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 73, 80, 100, 112, 140, 146, 160, 175, 191, 200, 224, 280, 292, 350, 365, 382, 400, 511, 560, 584, 700, 730, 764, 800, 955, 1022, 1120, 1168, 1337, 1400, 1460, 1528, 1825, 1910, 2044, 2336, 2555, 2674, 2800, 2920, 3056, 3650, 3820, 4088, 4775, 5110, 5348, 5600, 5840, 6112, 6685, 7300, 7640, 8176, 9550, 10220, 10696, 11680, 12775, 13370, 13943, 14600, 15280, 16352, 19100, 20440, 21392, 25550, 26740, 27886, 29200, 30560, 33425, 38200, 40880, 42784, 51100, 53480, 55772, 58400, 66850, 69715, 76400, 81760, 97601, 102200, 106960, 111544, 133700, 139430, 152800, 195202, 204400, 213920, 223088, 267400, 278860, 348575, 390404, 408800, 446176, 488005, 534800, 557720, 697150, 780808, 976010, 1069600, 1115440, 1394300, 1561616, 1952020, 2230880, 2440025, 2788600, 3123232, 3904040, 4880050, 5577200, 7808080, 9760100, 11154400, 15616160, 19520200, 39040400, 78080800]

約数ペア:

[(1, 78080800), (2, 39040400), (4, 19520200), (5, 15616160), (7, 11154400), (8, 9760100), (10, 7808080), (14, 5577200), (16, 4880050), (20, 3904040), (25, 3123232), (28, 2788600), (32, 2440025), (35, 2230880), (40, 1952020), (50, 1561616), (56, 1394300), (70, 1115440), (73, 1069600), (80, 976010), (100, 780808), (112, 697150), (140, 557720), (146, 534800), (160, 488005), (175, 446176), (191, 408800), (200, 390404), (224, 348575), (280, 278860), (292, 267400), (350, 223088), (365, 213920), (382, 204400), (400, 195202), (511, 152800), (560, 139430), (584, 133700), (700, 111544), (730, 106960), (764, 102200), (800, 97601), (955, 81760), (1022, 76400), (1120, 69715), (1168, 66850), (1337, 58400), (1400, 55772), (1460, 53480), (1528, 51100), (1825, 42784), (1910, 40880), (2044, 38200), (2336, 33425), (2555, 30560), (2674, 29200), (2800, 27886), (2920, 26740), (3056, 25550), (3650, 21392), (3820, 20440), (4088, 19100), (4775, 16352), (5110, 15280), (5348, 14600), (5600, 13943), (5840, 13370), (6112, 12775), (6685, 11680), (7300, 10696), (7640, 10220), (8176, 9550)]