80277660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23473}}^1$

素因数の和:23507

約数の個数: 72

約数和(自身を含む): 256336080

約数和(自身を除く): 176058420

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, 23473, 46946, 70419, 93892, 117365, 140838, 211257, 234730, 281676, 352095, 422514, 445987, 469460, 704190, 845028, 891974, 1056285, 1337961, 1408380, 1783948, 2112570, 2229935, 2675922, 4013883, 4225140, 4459870, 5351844, 6689805, 8027766, 8919740, 13379610, 16055532, 20069415, 26759220, 40138830, 80277660]

約数ペア:

[(1, 80277660), (2, 40138830), (3, 26759220), (4, 20069415), (5, 16055532), (6, 13379610), (9, 8919740), (10, 8027766), (12, 6689805), (15, 5351844), (18, 4459870), (19, 4225140), (20, 4013883), (30, 2675922), (36, 2229935), (38, 2112570), (45, 1783948), (57, 1408380), (60, 1337961), (76, 1056285), (90, 891974), (95, 845028), (114, 704190), (171, 469460), (180, 445987), (190, 422514), (228, 352095), (285, 281676), (342, 234730), (380, 211257), (570, 140838), (684, 117365), (855, 93892), (1140, 70419), (1710, 46946), (3420, 23473)]