81760680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227113}}^1$

素因数の和:227130

約数の個数: 48

約数和(自身を含む): 265723380

約数和(自身を除く): 183962700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227113, 454226, 681339, 908452, 1135565, 1362678, 1816904, 2044017, 2271130, 2725356, 3406695, 4088034, 4542260, 5450712, 6813390, 8176068, 9084520, 10220085, 13626780, 16352136, 20440170, 27253560, 40880340, 81760680]

約数ペア:

[(1, 81760680), (2, 40880340), (3, 27253560), (4, 20440170), (5, 16352136), (6, 13626780), (8, 10220085), (9, 9084520), (10, 8176068), (12, 6813390), (15, 5450712), (18, 4542260), (20, 4088034), (24, 3406695), (30, 2725356), (36, 2271130), (40, 2044017), (45, 1816904), (60, 1362678), (72, 1135565), (90, 908452), (120, 681339), (180, 454226), (360, 227113)]