68671860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 197174880

約数和(自身を除く): 128503020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 619, 645, 860, 1238, 1290, 1849, 1857, 2476, 2580, 3095, 3698, 3714, 5547, 6190, 7396, 7428, 9245, 9285, 11094, 12380, 18490, 18570, 22188, 26617, 27735, 36980, 37140, 53234, 55470, 79851, 106468, 110940, 133085, 159702, 266170, 319404, 399255, 532340, 798510, 1144531, 1597020, 2289062, 3433593, 4578124, 5722655, 6867186, 11445310, 13734372, 17167965, 22890620, 34335930, 68671860]

約数ペア:

[(1, 68671860), (2, 34335930), (3, 22890620), (4, 17167965), (5, 13734372), (6, 11445310), (10, 6867186), (12, 5722655), (15, 4578124), (20, 3433593), (30, 2289062), (43, 1597020), (60, 1144531), (86, 798510), (129, 532340), (172, 399255), (215, 319404), (258, 266170), (430, 159702), (516, 133085), (619, 110940), (645, 106468), (860, 79851), (1238, 55470), (1290, 53234), (1849, 37140), (1857, 36980), (2476, 27735), (2580, 26617), (3095, 22188), (3698, 18570), (3714, 18490), (5547, 12380), (6190, 11094), (7396, 9285), (7428, 9245)]