71872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36299}}^1$

素因数の和:36325

約数の個数: 72

約数和(自身を含む): 237837600

約数和(自身を除く): 165965580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 36299, 72598, 108897, 145196, 181495, 217794, 326691, 362990, 399289, 435588, 544485, 653382, 725980, 798578, 1088970, 1197867, 1306764, 1597156, 1633455, 1996445, 2177940, 2395734, 3266910, 3593601, 3992890, 4791468, 5989335, 6533820, 7187202, 7985780, 11978670, 14374404, 17968005, 23957340, 35936010, 71872020]

約数ペア:

[(1, 71872020), (2, 35936010), (3, 23957340), (4, 17968005), (5, 14374404), (6, 11978670), (9, 7985780), (10, 7187202), (11, 6533820), (12, 5989335), (15, 4791468), (18, 3992890), (20, 3593601), (22, 3266910), (30, 2395734), (33, 2177940), (36, 1996445), (44, 1633455), (45, 1597156), (55, 1306764), (60, 1197867), (66, 1088970), (90, 798578), (99, 725980), (110, 653382), (132, 544485), (165, 435588), (180, 399289), (198, 362990), (220, 326691), (330, 217794), (396, 181495), (495, 145196), (660, 108897), (990, 72598), (1980, 36299)]