165213440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18439}}^1$

素因数の和:18467

約数の個数: 72

約数和(自身を含む): 452296320

約数和(自身を除く): 287082880

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, 18439, 36878, 73756, 92195, 129073, 147512, 184390, 258146, 295024, 368780, 516292, 590048, 645365, 737560, 1032584, 1180096, 1290730, 1475120, 2065168, 2360192, 2581460, 2950240, 4130336, 4720384, 5162920, 5900480, 8260672, 10325840, 11800960, 16521344, 20651680, 23601920, 33042688, 41303360, 82606720, 165213440]

約数ペア:

[(1, 165213440), (2, 82606720), (4, 41303360), (5, 33042688), (7, 23601920), (8, 20651680), (10, 16521344), (14, 11800960), (16, 10325840), (20, 8260672), (28, 5900480), (32, 5162920), (35, 4720384), (40, 4130336), (56, 2950240), (64, 2581460), (70, 2360192), (80, 2065168), (112, 1475120), (128, 1290730), (140, 1180096), (160, 1032584), (224, 737560), (256, 645365), (280, 590048), (320, 516292), (448, 368780), (560, 295024), (640, 258146), (896, 184390), (1120, 147512), (1280, 129073), (1792, 92195), (2240, 73756), (4480, 36878), (8960, 18439)]