79528120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 125758280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 659, 862, 1318, 1724, 2155, 2636, 3017, 3295, 3448, 4310, 4613, 5272, 6034, 6590, 8620, 9226, 12068, 13180, 15085, 17240, 18452, 23065, 24136, 26360, 30170, 36904, 46130, 60340, 92260, 120680, 184520, 284029, 568058, 1136116, 1420145, 1988203, 2272232, 2840290, 3976406, 5680580, 7952812, 9941015, 11361160, 15905624, 19882030, 39764060, 79528120]

約数ペア:

[(1, 79528120), (2, 39764060), (4, 19882030), (5, 15905624), (7, 11361160), (8, 9941015), (10, 7952812), (14, 5680580), (20, 3976406), (28, 2840290), (35, 2272232), (40, 1988203), (56, 1420145), (70, 1136116), (140, 568058), (280, 284029), (431, 184520), (659, 120680), (862, 92260), (1318, 60340), (1724, 46130), (2155, 36904), (2636, 30170), (3017, 26360), (3295, 24136), (3448, 23065), (4310, 18452), (4613, 17240), (5272, 15085), (6034, 13180), (6590, 12068), (8620, 9226)]