68293030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 142813440

約数和(自身を除く): 74520410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 247, 430, 494, 559, 643, 817, 1118, 1235, 1286, 1634, 2470, 2795, 3215, 4085, 5590, 6430, 8170, 8359, 10621, 12217, 16718, 21242, 24434, 27649, 41795, 53105, 55298, 61085, 83590, 106210, 122170, 138245, 158821, 276490, 317642, 359437, 525331, 718874, 794105, 1050662, 1588210, 1797185, 2626655, 3594370, 5253310, 6829303, 13658606, 34146515, 68293030]

約数ペア:

[(1, 68293030), (2, 34146515), (5, 13658606), (10, 6829303), (13, 5253310), (19, 3594370), (26, 2626655), (38, 1797185), (43, 1588210), (65, 1050662), (86, 794105), (95, 718874), (130, 525331), (190, 359437), (215, 317642), (247, 276490), (430, 158821), (494, 138245), (559, 122170), (643, 106210), (817, 83590), (1118, 61085), (1235, 55298), (1286, 53105), (1634, 41795), (2470, 27649), (2795, 24434), (3215, 21242), (4085, 16718), (5590, 12217), (6430, 10621), (8170, 8359)]