81190350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{20047}}^1$

素因数の和:20071

約数の個数: 60

約数和(自身を含む): 225600144

約数和(自身を除く): 144409794

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 20047, 40094, 60141, 100235, 120282, 180423, 200470, 300705, 360846, 501175, 541269, 601410, 902115, 1002350, 1082538, 1503525, 1623807, 1804230, 2706345, 3007050, 3247614, 4510575, 5412690, 8119035, 9021150, 13531725, 16238070, 27063450, 40595175, 81190350]

約数ペア:

[(1, 81190350), (2, 40595175), (3, 27063450), (5, 16238070), (6, 13531725), (9, 9021150), (10, 8119035), (15, 5412690), (18, 4510575), (25, 3247614), (27, 3007050), (30, 2706345), (45, 1804230), (50, 1623807), (54, 1503525), (75, 1082538), (81, 1002350), (90, 902115), (135, 601410), (150, 541269), (162, 501175), (225, 360846), (270, 300705), (405, 200470), (450, 180423), (675, 120282), (810, 100235), (1350, 60141), (2025, 40094), (4050, 20047)]