208707120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289871}}^1$

素因数の和:289890

約数の個数: 60

約数和(自身を含む): 700910496

約数和(自身を除く): 492203376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 289871, 579742, 869613, 1159484, 1449355, 1739226, 2318968, 2608839, 2898710, 3478452, 4348065, 4637936, 5217678, 5797420, 6956904, 8696130, 10435356, 11594840, 13044195, 13913808, 17392260, 20870712, 23189680, 26088390, 34784520, 41741424, 52176780, 69569040, 104353560, 208707120]

約数ペア:

[(1, 208707120), (2, 104353560), (3, 69569040), (4, 52176780), (5, 41741424), (6, 34784520), (8, 26088390), (9, 23189680), (10, 20870712), (12, 17392260), (15, 13913808), (16, 13044195), (18, 11594840), (20, 10435356), (24, 8696130), (30, 6956904), (36, 5797420), (40, 5217678), (45, 4637936), (48, 4348065), (60, 3478452), (72, 2898710), (80, 2608839), (90, 2318968), (120, 1739226), (144, 1449355), (180, 1159484), (240, 869613), (360, 579742), (720, 289871)]