161755920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{74887}}^1$

素因数の和:74909

約数の個数: 80

約数和(自身を含む): 557166720

約数和(自身を除く): 395410800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 74887, 149774, 224661, 299548, 374435, 449322, 599096, 673983, 748870, 898644, 1123305, 1198192, 1347966, 1497740, 1797288, 2021949, 2246610, 2695932, 2995480, 3369915, 3594576, 4043898, 4493220, 5391864, 5990960, 6739830, 8087796, 8986440, 10109745, 10783728, 13479660, 16175592, 17972880, 20219490, 26959320, 32351184, 40438980, 53918640, 80877960, 161755920]

約数ペア:

[(1, 161755920), (2, 80877960), (3, 53918640), (4, 40438980), (5, 32351184), (6, 26959320), (8, 20219490), (9, 17972880), (10, 16175592), (12, 13479660), (15, 10783728), (16, 10109745), (18, 8986440), (20, 8087796), (24, 6739830), (27, 5990960), (30, 5391864), (36, 4493220), (40, 4043898), (45, 3594576), (48, 3369915), (54, 2995480), (60, 2695932), (72, 2246610), (80, 2021949), (90, 1797288), (108, 1497740), (120, 1347966), (135, 1198192), (144, 1123305), (180, 898644), (216, 748870), (240, 673983), (270, 599096), (360, 449322), (432, 374435), (540, 299548), (720, 224661), (1080, 149774), (2160, 74887)]