75778020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2349

約数の個数: 72

約数和(自身を含む): 231134904

約数和(自身を除く): 155356884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2137, 2364, 2955, 3546, 3940, 4274, 5910, 6411, 7092, 8548, 8865, 10685, 11820, 12822, 17730, 19233, 21370, 25644, 32055, 35460, 38466, 42740, 64110, 76932, 96165, 128220, 192330, 384660, 420989, 841978, 1262967, 1683956, 2104945, 2525934, 3788901, 4209890, 5051868, 6314835, 7577802, 8419780, 12629670, 15155604, 18944505, 25259340, 37889010, 75778020]

約数ペア:

[(1, 75778020), (2, 37889010), (3, 25259340), (4, 18944505), (5, 15155604), (6, 12629670), (9, 8419780), (10, 7577802), (12, 6314835), (15, 5051868), (18, 4209890), (20, 3788901), (30, 2525934), (36, 2104945), (45, 1683956), (60, 1262967), (90, 841978), (180, 420989), (197, 384660), (394, 192330), (591, 128220), (788, 96165), (985, 76932), (1182, 64110), (1773, 42740), (1970, 38466), (2137, 35460), (2364, 32055), (2955, 25644), (3546, 21370), (3940, 19233), (4274, 17730), (5910, 12822), (6411, 11820), (7092, 10685), (8548, 8865)]