1681318320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{636863}}^1$

素因数の和:636890

約数の個数: 80

約数和(自身を含む): 5685921792

約数和(自身を除く): 4004603472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 636863, 1273726, 1910589, 2547452, 3184315, 3821178, 5094904, 6368630, 7005493, 7642356, 9552945, 10189808, 12737260, 14010986, 15284712, 19105890, 21016479, 25474520, 28021972, 30569424, 35027465, 38211780, 42032958, 50949040, 56043944, 70054930, 76423560, 84065916, 105082395, 112087888, 140109860, 152847120, 168131832, 210164790, 280219720, 336263664, 420329580, 560439440, 840659160, 1681318320]

約数ペア:

[(1, 1681318320), (2, 840659160), (3, 560439440), (4, 420329580), (5, 336263664), (6, 280219720), (8, 210164790), (10, 168131832), (11, 152847120), (12, 140109860), (15, 112087888), (16, 105082395), (20, 84065916), (22, 76423560), (24, 70054930), (30, 56043944), (33, 50949040), (40, 42032958), (44, 38211780), (48, 35027465), (55, 30569424), (60, 28021972), (66, 25474520), (80, 21016479), (88, 19105890), (110, 15284712), (120, 14010986), (132, 12737260), (165, 10189808), (176, 9552945), (220, 7642356), (240, 7005493), (264, 6368630), (330, 5094904), (440, 3821178), (528, 3184315), (660, 2547452), (880, 1910589), (1320, 1273726), (2640, 636863)]