278748720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{387151}}^1$

素因数の和:387170

約数の個数: 60

約数和(自身を含む): 936133536

約数和(自身を除く): 657384816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 387151, 774302, 1161453, 1548604, 1935755, 2322906, 3097208, 3484359, 3871510, 4645812, 5807265, 6194416, 6968718, 7743020, 9291624, 11614530, 13937436, 15486040, 17421795, 18583248, 23229060, 27874872, 30972080, 34843590, 46458120, 55749744, 69687180, 92916240, 139374360, 278748720]

約数ペア:

[(1, 278748720), (2, 139374360), (3, 92916240), (4, 69687180), (5, 55749744), (6, 46458120), (8, 34843590), (9, 30972080), (10, 27874872), (12, 23229060), (15, 18583248), (16, 17421795), (18, 15486040), (20, 13937436), (24, 11614530), (30, 9291624), (36, 7743020), (40, 6968718), (45, 6194416), (48, 5807265), (60, 4645812), (72, 3871510), (80, 3484359), (90, 3097208), (120, 2322906), (144, 1935755), (180, 1548604), (240, 1161453), (360, 774302), (720, 387151)]