80126820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16487}}^1$

素因数の和:16511

約数の個数: 72

約数和(自身を含む): 252068544

約数和(自身を除く): 171941724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16487, 32974, 49461, 65948, 82435, 98922, 148383, 164870, 197844, 247305, 296766, 329740, 445149, 494610, 593532, 741915, 890298, 989220, 1335447, 1483830, 1780596, 2225745, 2670894, 2967660, 4006341, 4451490, 5341788, 6677235, 8012682, 8902980, 13354470, 16025364, 20031705, 26708940, 40063410, 80126820]

約数ペア:

[(1, 80126820), (2, 40063410), (3, 26708940), (4, 20031705), (5, 16025364), (6, 13354470), (9, 8902980), (10, 8012682), (12, 6677235), (15, 5341788), (18, 4451490), (20, 4006341), (27, 2967660), (30, 2670894), (36, 2225745), (45, 1780596), (54, 1483830), (60, 1335447), (81, 989220), (90, 890298), (108, 741915), (135, 593532), (162, 494610), (180, 445149), (243, 329740), (270, 296766), (324, 247305), (405, 197844), (486, 164870), (540, 148383), (810, 98922), (972, 82435), (1215, 65948), (1620, 49461), (2430, 32974), (4860, 16487)]