307758240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{213721}}^1$

素因数の和:213742

約数の個数: 72

約数和(自身を含む): 1050229908

約数和(自身を除く): 742471668

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 213721, 427442, 641163, 854884, 1068605, 1282326, 1709768, 1923489, 2137210, 2564652, 3205815, 3419536, 3846978, 4274420, 5129304, 6411630, 6839072, 7693956, 8548840, 9617445, 10258608, 12823260, 15387912, 17097680, 19234890, 20517216, 25646520, 30775824, 34195360, 38469780, 51293040, 61551648, 76939560, 102586080, 153879120, 307758240]

約数ペア:

[(1, 307758240), (2, 153879120), (3, 102586080), (4, 76939560), (5, 61551648), (6, 51293040), (8, 38469780), (9, 34195360), (10, 30775824), (12, 25646520), (15, 20517216), (16, 19234890), (18, 17097680), (20, 15387912), (24, 12823260), (30, 10258608), (32, 9617445), (36, 8548840), (40, 7693956), (45, 6839072), (48, 6411630), (60, 5129304), (72, 4274420), (80, 3846978), (90, 3419536), (96, 3205815), (120, 2564652), (144, 2137210), (160, 1923489), (180, 1709768), (240, 1282326), (288, 1068605), (360, 854884), (480, 641163), (720, 427442), (1440, 213721)]