209409120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145423}}^1$

素因数の和:145444

約数の個数: 72

約数和(自身を含む): 714613536

約数和(自身を除く): 505204416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145423, 290846, 436269, 581692, 727115, 872538, 1163384, 1308807, 1454230, 1745076, 2181345, 2326768, 2617614, 2908460, 3490152, 4362690, 4653536, 5235228, 5816920, 6544035, 6980304, 8725380, 10470456, 11633840, 13088070, 13960608, 17450760, 20940912, 23267680, 26176140, 34901520, 41881824, 52352280, 69803040, 104704560, 209409120]

約数ペア:

[(1, 209409120), (2, 104704560), (3, 69803040), (4, 52352280), (5, 41881824), (6, 34901520), (8, 26176140), (9, 23267680), (10, 20940912), (12, 17450760), (15, 13960608), (16, 13088070), (18, 11633840), (20, 10470456), (24, 8725380), (30, 6980304), (32, 6544035), (36, 5816920), (40, 5235228), (45, 4653536), (48, 4362690), (60, 3490152), (72, 2908460), (80, 2617614), (90, 2326768), (96, 2181345), (120, 1745076), (144, 1454230), (160, 1308807), (180, 1163384), (240, 872538), (288, 727115), (360, 581692), (480, 436269), (720, 290846), (1440, 145423)]