1209756160

素因数分解:

$2^9\times 5^1\times {\mathrm{472561}}^1$

素因数の和:472584

約数の個数: 40

約数和(自身を含む): 2900585556

約数和(自身を除く): 1690829396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 472561, 945122, 1890244, 2362805, 3780488, 4725610, 7560976, 9451220, 15121952, 18902440, 30243904, 37804880, 60487808, 75609760, 120975616, 151219520, 241951232, 302439040, 604878080, 1209756160]

約数ペア:

[(1, 1209756160), (2, 604878080), (4, 302439040), (5, 241951232), (8, 151219520), (10, 120975616), (16, 75609760), (20, 60487808), (32, 37804880), (40, 30243904), (64, 18902440), (80, 15121952), (128, 9451220), (160, 7560976), (256, 4725610), (320, 3780488), (512, 2362805), (640, 1890244), (1280, 945122), (2560, 472561)]