77956480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17401}}^1$

素因数の和:17427

約数の個数: 64

約数和(自身を含む): 213000480

約数和(自身を除く): 135044000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17401, 34802, 69604, 87005, 121807, 139208, 174010, 243614, 278416, 348020, 487228, 556832, 609035, 696040, 974456, 1113664, 1218070, 1392080, 1948912, 2227328, 2436140, 2784160, 3897824, 4872280, 5568320, 7795648, 9744560, 11136640, 15591296, 19489120, 38978240, 77956480]

約数ペア:

[(1, 77956480), (2, 38978240), (4, 19489120), (5, 15591296), (7, 11136640), (8, 9744560), (10, 7795648), (14, 5568320), (16, 4872280), (20, 3897824), (28, 2784160), (32, 2436140), (35, 2227328), (40, 1948912), (56, 1392080), (64, 1218070), (70, 1113664), (80, 974456), (112, 696040), (128, 609035), (140, 556832), (160, 487228), (224, 348020), (280, 278416), (320, 243614), (448, 174010), (560, 139208), (640, 121807), (896, 87005), (1120, 69604), (2240, 34802), (4480, 17401)]