120528180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9431}}^1$

素因数の和:9517

約数の個数: 72

約数和(自身を含む): 370790784

約数和(自身を除く): 250262604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 9431, 12780, 18862, 28293, 37724, 47155, 56586, 84879, 94310, 113172, 141465, 169758, 188620, 282930, 339516, 424395, 565860, 669601, 848790, 1339202, 1697580, 2008803, 2678404, 3348005, 4017606, 6026409, 6696010, 8035212, 10044015, 12052818, 13392020, 20088030, 24105636, 30132045, 40176060, 60264090, 120528180]

約数ペア:

[(1, 120528180), (2, 60264090), (3, 40176060), (4, 30132045), (5, 24105636), (6, 20088030), (9, 13392020), (10, 12052818), (12, 10044015), (15, 8035212), (18, 6696010), (20, 6026409), (30, 4017606), (36, 3348005), (45, 2678404), (60, 2008803), (71, 1697580), (90, 1339202), (142, 848790), (180, 669601), (213, 565860), (284, 424395), (355, 339516), (426, 282930), (639, 188620), (710, 169758), (852, 141465), (1065, 113172), (1278, 94310), (1420, 84879), (2130, 56586), (2556, 47155), (3195, 37724), (4260, 28293), (6390, 18862), (9431, 12780)]