128705400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71503}}^1$

素因数の和:71525

約数の個数: 72

約数和(自身を含む): 432241680

約数和(自身を除く): 303536280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 71503, 143006, 214509, 286012, 357515, 429018, 572024, 643527, 715030, 858036, 1072545, 1287054, 1430060, 1716072, 1787575, 2145090, 2574108, 2860120, 3217635, 3575150, 4290180, 5148216, 5362725, 6435270, 7150300, 8580360, 10725450, 12870540, 14300600, 16088175, 21450900, 25741080, 32176350, 42901800, 64352700, 128705400]

約数ペア:

[(1, 128705400), (2, 64352700), (3, 42901800), (4, 32176350), (5, 25741080), (6, 21450900), (8, 16088175), (9, 14300600), (10, 12870540), (12, 10725450), (15, 8580360), (18, 7150300), (20, 6435270), (24, 5362725), (25, 5148216), (30, 4290180), (36, 3575150), (40, 3217635), (45, 2860120), (50, 2574108), (60, 2145090), (72, 1787575), (75, 1716072), (90, 1430060), (100, 1287054), (120, 1072545), (150, 858036), (180, 715030), (200, 643527), (225, 572024), (300, 429018), (360, 357515), (450, 286012), (600, 214509), (900, 143006), (1800, 71503)]