64821780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9733}}^1$

素因数の和:9785

約数の個数: 72

約数和(自身を含む): 201961032

約数和(自身を除く): 137139252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 9733, 19466, 29199, 38932, 48665, 58398, 87597, 97330, 116796, 145995, 175194, 194660, 291990, 350388, 360121, 437985, 583980, 720242, 875970, 1080363, 1440484, 1751940, 1800605, 2160726, 3241089, 3601210, 4321452, 5401815, 6482178, 7202420, 10803630, 12964356, 16205445, 21607260, 32410890, 64821780]

約数ペア:

[(1, 64821780), (2, 32410890), (3, 21607260), (4, 16205445), (5, 12964356), (6, 10803630), (9, 7202420), (10, 6482178), (12, 5401815), (15, 4321452), (18, 3601210), (20, 3241089), (30, 2160726), (36, 1800605), (37, 1751940), (45, 1440484), (60, 1080363), (74, 875970), (90, 720242), (111, 583980), (148, 437985), (180, 360121), (185, 350388), (222, 291990), (333, 194660), (370, 175194), (444, 145995), (555, 116796), (666, 97330), (740, 87597), (1110, 58398), (1332, 48665), (1665, 38932), (2220, 29199), (3330, 19466), (6660, 9733)]