85521780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{853}}^1$

素因数の和:1425

約数の個数: 72

約数和(自身を含む): 260186472

約数和(自身を除く): 174664692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 853, 1114, 1671, 1706, 2228, 2559, 2785, 3342, 3412, 4265, 5013, 5118, 5570, 6684, 7677, 8355, 8530, 10026, 10236, 11140, 12795, 15354, 16710, 17060, 20052, 25065, 25590, 30708, 33420, 38385, 50130, 51180, 76770, 100260, 153540, 475121, 950242, 1425363, 1900484, 2375605, 2850726, 4276089, 4751210, 5701452, 7126815, 8552178, 9502420, 14253630, 17104356, 21380445, 28507260, 42760890, 85521780]

約数ペア:

[(1, 85521780), (2, 42760890), (3, 28507260), (4, 21380445), (5, 17104356), (6, 14253630), (9, 9502420), (10, 8552178), (12, 7126815), (15, 5701452), (18, 4751210), (20, 4276089), (30, 2850726), (36, 2375605), (45, 1900484), (60, 1425363), (90, 950242), (180, 475121), (557, 153540), (853, 100260), (1114, 76770), (1671, 51180), (1706, 50130), (2228, 38385), (2559, 33420), (2785, 30708), (3342, 25590), (3412, 25065), (4265, 20052), (5013, 17060), (5118, 16710), (5570, 15354), (6684, 12795), (7677, 11140), (8355, 10236), (8530, 10026)]