121751680

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{677}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 292529880

約数和(自身を除く): 170778200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 677, 1124, 1354, 1405, 2248, 2708, 2810, 3385, 4496, 5416, 5620, 6770, 8992, 10832, 11240, 13540, 17984, 21664, 22480, 27080, 35968, 43328, 44960, 54160, 86656, 89920, 108320, 179840, 190237, 216640, 380474, 433280, 760948, 951185, 1521896, 1902370, 3043792, 3804740, 6087584, 7609480, 12175168, 15218960, 24350336, 30437920, 60875840, 121751680]

約数ペア:

[(1, 121751680), (2, 60875840), (4, 30437920), (5, 24350336), (8, 15218960), (10, 12175168), (16, 7609480), (20, 6087584), (32, 3804740), (40, 3043792), (64, 1902370), (80, 1521896), (128, 951185), (160, 760948), (281, 433280), (320, 380474), (562, 216640), (640, 190237), (677, 179840), (1124, 108320), (1354, 89920), (1405, 86656), (2248, 54160), (2708, 44960), (2810, 43328), (3385, 35968), (4496, 27080), (5416, 22480), (5620, 21664), (6770, 17984), (8992, 13540), (10832, 11240)]