720900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{89}}^1$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 2363130

約数和(自身を除く): 1642230

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 89, 90, 100, 108, 135, 150, 162, 178, 180, 225, 267, 270, 300, 324, 356, 405, 445, 450, 534, 540, 675, 801, 810, 890, 900, 1068, 1335, 1350, 1602, 1620, 1780, 2025, 2225, 2403, 2670, 2700, 3204, 4005, 4050, 4450, 4806, 5340, 6675, 7209, 8010, 8100, 8900, 9612, 12015, 13350, 14418, 16020, 20025, 24030, 26700, 28836, 36045, 40050, 48060, 60075, 72090, 80100, 120150, 144180, 180225, 240300, 360450, 720900]

約数ペア:

[(1, 720900), (2, 360450), (3, 240300), (4, 180225), (5, 144180), (6, 120150), (9, 80100), (10, 72090), (12, 60075), (15, 48060), (18, 40050), (20, 36045), (25, 28836), (27, 26700), (30, 24030), (36, 20025), (45, 16020), (50, 14418), (54, 13350), (60, 12015), (75, 9612), (81, 8900), (89, 8100), (90, 8010), (100, 7209), (108, 6675), (135, 5340), (150, 4806), (162, 4450), (178, 4050), (180, 4005), (225, 3204), (267, 2700), (270, 2670), (300, 2403), (324, 2225), (356, 2025), (405, 1780), (445, 1620), (450, 1602), (534, 1350), (540, 1335), (675, 1068), (801, 900), (810, 890)]