206771240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 526417920

約数和(自身を除く): 319646680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 101, 104, 124, 127, 130, 155, 202, 248, 254, 260, 310, 403, 404, 505, 508, 520, 620, 635, 806, 808, 1010, 1016, 1240, 1270, 1313, 1612, 1651, 2015, 2020, 2540, 2626, 3131, 3224, 3302, 3937, 4030, 4040, 5080, 5252, 6262, 6565, 6604, 7874, 8060, 8255, 10504, 12524, 12827, 13130, 13208, 15655, 15748, 16120, 16510, 19685, 25048, 25654, 26260, 31310, 31496, 33020, 39370, 40703, 51181, 51308, 52520, 62620, 64135, 66040, 78740, 81406, 102362, 102616, 125240, 128270, 157480, 162812, 166751, 203515, 204724, 255905, 256540, 325624, 333502, 397637, 407030, 409448, 511810, 513080, 667004, 795274, 814060, 833755, 1023620, 1334008, 1590548, 1628120, 1667510, 1988185, 2047240, 3181096, 3335020, 3976370, 5169281, 6670040, 7952740, 10338562, 15905480, 20677124, 25846405, 41354248, 51692810, 103385620, 206771240]

約数ペア:

[(1, 206771240), (2, 103385620), (4, 51692810), (5, 41354248), (8, 25846405), (10, 20677124), (13, 15905480), (20, 10338562), (26, 7952740), (31, 6670040), (40, 5169281), (52, 3976370), (62, 3335020), (65, 3181096), (101, 2047240), (104, 1988185), (124, 1667510), (127, 1628120), (130, 1590548), (155, 1334008), (202, 1023620), (248, 833755), (254, 814060), (260, 795274), (310, 667004), (403, 513080), (404, 511810), (505, 409448), (508, 407030), (520, 397637), (620, 333502), (635, 325624), (806, 256540), (808, 255905), (1010, 204724), (1016, 203515), (1240, 166751), (1270, 162812), (1313, 157480), (1612, 128270), (1651, 125240), (2015, 102616), (2020, 102362), (2540, 81406), (2626, 78740), (3131, 66040), (3224, 64135), (3302, 62620), (3937, 52520), (4030, 51308), (4040, 51181), (5080, 40703), (5252, 39370), (6262, 33020), (6565, 31496), (6604, 31310), (7874, 26260), (8060, 25654), (8255, 25048), (10504, 19685), (12524, 16510), (12827, 16120), (13130, 15748), (13208, 15655)]