78658710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1451}}^1$

素因数の和:1613

約数の個数: 64

約数和(自身を含む): 204906240

約数和(自身を除く): 126247530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 139, 195, 278, 390, 417, 695, 834, 1390, 1451, 1807, 2085, 2902, 3614, 4170, 4353, 5421, 7255, 8706, 9035, 10842, 14510, 18070, 18863, 21765, 27105, 37726, 43530, 54210, 56589, 94315, 113178, 188630, 201689, 282945, 403378, 565890, 605067, 1008445, 1210134, 2016890, 2621957, 3025335, 5243914, 6050670, 7865871, 13109785, 15731742, 26219570, 39329355, 78658710]

約数ペア:

[(1, 78658710), (2, 39329355), (3, 26219570), (5, 15731742), (6, 13109785), (10, 7865871), (13, 6050670), (15, 5243914), (26, 3025335), (30, 2621957), (39, 2016890), (65, 1210134), (78, 1008445), (130, 605067), (139, 565890), (195, 403378), (278, 282945), (390, 201689), (417, 188630), (695, 113178), (834, 94315), (1390, 56589), (1451, 54210), (1807, 43530), (2085, 37726), (2902, 27105), (3614, 21765), (4170, 18863), (4353, 18070), (5421, 14510), (7255, 10842), (8706, 9035)]