2008902480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643879}}^1$

素因数の和:643908

約数の個数: 80

約数和(自身を含む): 6706654080

約数和(自身を除く): 4697751600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 643879, 1287758, 1931637, 2575516, 3219395, 3863274, 5151032, 6438790, 7726548, 8370427, 9658185, 10302064, 12877580, 15453096, 16740854, 19316370, 25111281, 25755160, 30906192, 33481708, 38632740, 41852135, 50222562, 51510320, 66963416, 77265480, 83704270, 100445124, 125556405, 133926832, 154530960, 167408540, 200890248, 251112810, 334817080, 401780496, 502225620, 669634160, 1004451240, 2008902480]

約数ペア:

[(1, 2008902480), (2, 1004451240), (3, 669634160), (4, 502225620), (5, 401780496), (6, 334817080), (8, 251112810), (10, 200890248), (12, 167408540), (13, 154530960), (15, 133926832), (16, 125556405), (20, 100445124), (24, 83704270), (26, 77265480), (30, 66963416), (39, 51510320), (40, 50222562), (48, 41852135), (52, 38632740), (60, 33481708), (65, 30906192), (78, 25755160), (80, 25111281), (104, 19316370), (120, 16740854), (130, 15453096), (156, 12877580), (195, 10302064), (208, 9658185), (240, 8370427), (260, 7726548), (312, 6438790), (390, 5151032), (520, 3863274), (624, 3219395), (780, 2575516), (1040, 1931637), (1560, 1287758), (3120, 643879)]