207734720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 112

約数和(自身を含む): 523573248

約数和(自身を除く): 315838528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 64, 80, 86, 124, 155, 160, 172, 215, 248, 310, 320, 344, 430, 487, 496, 620, 688, 860, 974, 992, 1240, 1333, 1376, 1720, 1948, 1984, 2435, 2480, 2666, 2752, 3440, 3896, 4870, 4960, 5332, 6665, 6880, 7792, 9740, 9920, 10664, 13330, 13760, 15097, 15584, 19480, 20941, 21328, 26660, 30194, 31168, 38960, 41882, 42656, 53320, 60388, 75485, 77920, 83764, 85312, 104705, 106640, 120776, 150970, 155840, 167528, 209410, 213280, 241552, 301940, 335056, 418820, 426560, 483104, 603880, 649171, 670112, 837640, 966208, 1207760, 1298342, 1340224, 1675280, 2415520, 2596684, 3245855, 3350560, 4831040, 5193368, 6491710, 6701120, 10386736, 12983420, 20773472, 25966840, 41546944, 51933680, 103867360, 207734720]

約数ペア:

[(1, 207734720), (2, 103867360), (4, 51933680), (5, 41546944), (8, 25966840), (10, 20773472), (16, 12983420), (20, 10386736), (31, 6701120), (32, 6491710), (40, 5193368), (43, 4831040), (62, 3350560), (64, 3245855), (80, 2596684), (86, 2415520), (124, 1675280), (155, 1340224), (160, 1298342), (172, 1207760), (215, 966208), (248, 837640), (310, 670112), (320, 649171), (344, 603880), (430, 483104), (487, 426560), (496, 418820), (620, 335056), (688, 301940), (860, 241552), (974, 213280), (992, 209410), (1240, 167528), (1333, 155840), (1376, 150970), (1720, 120776), (1948, 106640), (1984, 104705), (2435, 85312), (2480, 83764), (2666, 77920), (2752, 75485), (3440, 60388), (3896, 53320), (4870, 42656), (4960, 41882), (5332, 38960), (6665, 31168), (6880, 30194), (7792, 26660), (9740, 21328), (9920, 20941), (10664, 19480), (13330, 15584), (13760, 15097)]