28238040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78439}}^1$

素因数の和:78456

約数の個数: 48

約数和(自身を含む): 91774800

約数和(自身を除く): 63536760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 78439, 156878, 235317, 313756, 392195, 470634, 627512, 705951, 784390, 941268, 1176585, 1411902, 1568780, 1882536, 2353170, 2823804, 3137560, 3529755, 4706340, 5647608, 7059510, 9412680, 14119020, 28238040]

約数ペア:

[(1, 28238040), (2, 14119020), (3, 9412680), (4, 7059510), (5, 5647608), (6, 4706340), (8, 3529755), (9, 3137560), (10, 2823804), (12, 2353170), (15, 1882536), (18, 1568780), (20, 1411902), (24, 1176585), (30, 941268), (36, 784390), (40, 705951), (45, 627512), (60, 470634), (72, 392195), (90, 313756), (120, 235317), (180, 156878), (360, 78439)]