164030720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18307}}^1$

素因数の和:18335

約数の個数: 72

約数和(自身を含む): 449058624

約数和(自身を除く): 285027904

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18307, 36614, 73228, 91535, 128149, 146456, 183070, 256298, 292912, 366140, 512596, 585824, 640745, 732280, 1025192, 1171648, 1281490, 1464560, 2050384, 2343296, 2562980, 2929120, 4100768, 4686592, 5125960, 5858240, 8201536, 10251920, 11716480, 16403072, 20503840, 23432960, 32806144, 41007680, 82015360, 164030720]

約数ペア:

[(1, 164030720), (2, 82015360), (4, 41007680), (5, 32806144), (7, 23432960), (8, 20503840), (10, 16403072), (14, 11716480), (16, 10251920), (20, 8201536), (28, 5858240), (32, 5125960), (35, 4686592), (40, 4100768), (56, 2929120), (64, 2562980), (70, 2343296), (80, 2050384), (112, 1464560), (128, 1281490), (140, 1171648), (160, 1025192), (224, 732280), (256, 640745), (280, 585824), (320, 512596), (448, 366140), (560, 292912), (640, 256298), (896, 183070), (1120, 146456), (1280, 128149), (1792, 91535), (2240, 73228), (4480, 36614), (8960, 18307)]