220478040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{612439}}^1$

素因数の和:612456

約数の個数: 48

約数和(自身を含む): 716554800

約数和(自身を除く): 496076760

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, 612439, 1224878, 1837317, 2449756, 3062195, 3674634, 4899512, 5511951, 6124390, 7349268, 9186585, 11023902, 12248780, 14698536, 18373170, 22047804, 24497560, 27559755, 36746340, 44095608, 55119510, 73492680, 110239020, 220478040]

約数ペア:

[(1, 220478040), (2, 110239020), (3, 73492680), (4, 55119510), (5, 44095608), (6, 36746340), (8, 27559755), (9, 24497560), (10, 22047804), (12, 18373170), (15, 14698536), (18, 12248780), (20, 11023902), (24, 9186585), (30, 7349268), (36, 6124390), (40, 5511951), (45, 4899512), (60, 3674634), (72, 3062195), (90, 2449756), (120, 1837317), (180, 1224878), (360, 612439)]