1312661980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{58237}}^1$

素因数の和:58283

約数の個数: 72

約数和(自身を含む): 3346122528

約数和(自身を除く): 2033460548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 22540, 58237, 116474, 232948, 291185, 407659, 582370, 815318, 1164740, 1339451, 1630636, 2038295, 2678902, 2853613, 4076590, 5357804, 5707226, 6697255, 8153180, 9376157, 11414452, 13394510, 14268065, 18752314, 26789020, 28536130, 37504628, 46880785, 57072260, 65633099, 93761570, 131266198, 187523140, 262532396, 328165495, 656330990, 1312661980]

約数ペア:

[(1, 1312661980), (2, 656330990), (4, 328165495), (5, 262532396), (7, 187523140), (10, 131266198), (14, 93761570), (20, 65633099), (23, 57072260), (28, 46880785), (35, 37504628), (46, 28536130), (49, 26789020), (70, 18752314), (92, 14268065), (98, 13394510), (115, 11414452), (140, 9376157), (161, 8153180), (196, 6697255), (230, 5707226), (245, 5357804), (322, 4076590), (460, 2853613), (490, 2678902), (644, 2038295), (805, 1630636), (980, 1339451), (1127, 1164740), (1610, 815318), (2254, 582370), (3220, 407659), (4508, 291185), (5635, 232948), (11270, 116474), (22540, 58237)]