12420810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 33436800

約数和(自身を除く): 21015990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 179, 257, 270, 358, 514, 537, 771, 895, 1074, 1285, 1542, 1611, 1790, 2313, 2570, 2685, 3222, 3855, 4626, 4833, 5370, 6939, 7710, 8055, 9666, 11565, 13878, 16110, 23130, 24165, 34695, 46003, 48330, 69390, 92006, 138009, 230015, 276018, 414027, 460030, 690045, 828054, 1242081, 1380090, 2070135, 2484162, 4140270, 6210405, 12420810]

約数ペア:

[(1, 12420810), (2, 6210405), (3, 4140270), (5, 2484162), (6, 2070135), (9, 1380090), (10, 1242081), (15, 828054), (18, 690045), (27, 460030), (30, 414027), (45, 276018), (54, 230015), (90, 138009), (135, 92006), (179, 69390), (257, 48330), (270, 46003), (358, 34695), (514, 24165), (537, 23130), (771, 16110), (895, 13878), (1074, 11565), (1285, 9666), (1542, 8055), (1611, 7710), (1790, 6939), (2313, 5370), (2570, 4833), (2685, 4626), (3222, 3855)]