261820160

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29221}}^1$

素因数の和:29249

約数の個数: 72

約数和(自身を含む): 716757216

約数和(自身を除く): 454937056

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, 29221, 58442, 116884, 146105, 204547, 233768, 292210, 409094, 467536, 584420, 818188, 935072, 1022735, 1168840, 1636376, 1870144, 2045470, 2337680, 3272752, 3740288, 4090940, 4675360, 6545504, 7480576, 8181880, 9350720, 13091008, 16363760, 18701440, 26182016, 32727520, 37402880, 52364032, 65455040, 130910080, 261820160]

約数ペア:

[(1, 261820160), (2, 130910080), (4, 65455040), (5, 52364032), (7, 37402880), (8, 32727520), (10, 26182016), (14, 18701440), (16, 16363760), (20, 13091008), (28, 9350720), (32, 8181880), (35, 7480576), (40, 6545504), (56, 4675360), (64, 4090940), (70, 3740288), (80, 3272752), (112, 2337680), (128, 2045470), (140, 1870144), (160, 1636376), (224, 1168840), (256, 1022735), (280, 935072), (320, 818188), (448, 584420), (560, 467536), (640, 409094), (896, 292210), (1120, 233768), (1280, 204547), (1792, 146105), (2240, 116884), (4480, 58442), (8960, 29221)]