187869420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1579}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 571094160

約数和(自身を除く): 383224740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 661, 1322, 1579, 1983, 2644, 3158, 3305, 3966, 4737, 5949, 6316, 6610, 7895, 7932, 9474, 9915, 11898, 13220, 14211, 15790, 18948, 19830, 23685, 23796, 28422, 29745, 31580, 39660, 47370, 56844, 59490, 71055, 94740, 118980, 142110, 284220, 1043719, 2087438, 3131157, 4174876, 5218595, 6262314, 9393471, 10437190, 12524628, 15655785, 18786942, 20874380, 31311570, 37573884, 46967355, 62623140, 93934710, 187869420]

約数ペア:

[(1, 187869420), (2, 93934710), (3, 62623140), (4, 46967355), (5, 37573884), (6, 31311570), (9, 20874380), (10, 18786942), (12, 15655785), (15, 12524628), (18, 10437190), (20, 9393471), (30, 6262314), (36, 5218595), (45, 4174876), (60, 3131157), (90, 2087438), (180, 1043719), (661, 284220), (1322, 142110), (1579, 118980), (1983, 94740), (2644, 71055), (3158, 59490), (3305, 56844), (3966, 47370), (4737, 39660), (5949, 31580), (6316, 29745), (6610, 28422), (7895, 23796), (7932, 23685), (9474, 19830), (9915, 18948), (11898, 15790), (13220, 14211)]