68449980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 196538832

約数和(自身を除く): 128088852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 617, 645, 860, 1234, 1290, 1849, 1851, 2468, 2580, 3085, 3698, 3702, 5547, 6170, 7396, 7404, 9245, 9255, 11094, 12340, 18490, 18510, 22188, 26531, 27735, 36980, 37020, 53062, 55470, 79593, 106124, 110940, 132655, 159186, 265310, 318372, 397965, 530620, 795930, 1140833, 1591860, 2281666, 3422499, 4563332, 5704165, 6844998, 11408330, 13689996, 17112495, 22816660, 34224990, 68449980]

約数ペア:

[(1, 68449980), (2, 34224990), (3, 22816660), (4, 17112495), (5, 13689996), (6, 11408330), (10, 6844998), (12, 5704165), (15, 4563332), (20, 3422499), (30, 2281666), (43, 1591860), (60, 1140833), (86, 795930), (129, 530620), (172, 397965), (215, 318372), (258, 265310), (430, 159186), (516, 132655), (617, 110940), (645, 106124), (860, 79593), (1234, 55470), (1290, 53062), (1849, 37020), (1851, 36980), (2468, 27735), (2580, 26531), (3085, 22188), (3698, 18510), (3702, 18490), (5547, 12340), (6170, 11094), (7396, 9255), (7404, 9245)]