56159820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16421}}^1$

素因数の和:16455

約数の個数: 72

約数和(自身を含む): 179328240

約数和(自身を除く): 123168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 16421, 32842, 49263, 65684, 82105, 98526, 147789, 164210, 197052, 246315, 295578, 311999, 328420, 492630, 591156, 623998, 738945, 935997, 985260, 1247996, 1477890, 1559995, 1871994, 2807991, 2955780, 3119990, 3743988, 4679985, 5615982, 6239980, 9359970, 11231964, 14039955, 18719940, 28079910, 56159820]

約数ペア:

[(1, 56159820), (2, 28079910), (3, 18719940), (4, 14039955), (5, 11231964), (6, 9359970), (9, 6239980), (10, 5615982), (12, 4679985), (15, 3743988), (18, 3119990), (19, 2955780), (20, 2807991), (30, 1871994), (36, 1559995), (38, 1477890), (45, 1247996), (57, 985260), (60, 935997), (76, 738945), (90, 623998), (95, 591156), (114, 492630), (171, 328420), (180, 311999), (190, 295578), (228, 246315), (285, 197052), (342, 164210), (380, 147789), (570, 98526), (684, 82105), (855, 65684), (1140, 49263), (1710, 32842), (3420, 16421)]