128123100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{6779}}^1$

素因数の和:6809

約数の個数: 144

約数和(自身を含む): 470803200

約数和(自身を除く): 342680100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 6779, 9450, 13558, 18900, 20337, 27116, 33895, 40674, 47453, 61011, 67790, 81348, 94906, 101685, 122022, 135580, 142359, 169475, 183033, 189812, 203370, 237265, 244044, 284718, 305055, 338950, 366066, 406740, 427077, 474530, 508425, 569436, 610110, 677900, 711795, 732132, 854154, 915165, 949060, 1016850, 1186325, 1220220, 1281231, 1423590, 1525275, 1708308, 1830330, 2033700, 2135385, 2372650, 2562462, 2847180, 3050550, 3558975, 3660660, 4270770, 4575825, 4745300, 5124924, 6101100, 6406155, 7117950, 8541540, 9151650, 10676925, 12812310, 14235900, 18303300, 21353850, 25624620, 32030775, 42707700, 64061550, 128123100]

約数ペア:

[(1, 128123100), (2, 64061550), (3, 42707700), (4, 32030775), (5, 25624620), (6, 21353850), (7, 18303300), (9, 14235900), (10, 12812310), (12, 10676925), (14, 9151650), (15, 8541540), (18, 7117950), (20, 6406155), (21, 6101100), (25, 5124924), (27, 4745300), (28, 4575825), (30, 4270770), (35, 3660660), (36, 3558975), (42, 3050550), (45, 2847180), (50, 2562462), (54, 2372650), (60, 2135385), (63, 2033700), (70, 1830330), (75, 1708308), (84, 1525275), (90, 1423590), (100, 1281231), (105, 1220220), (108, 1186325), (126, 1016850), (135, 949060), (140, 915165), (150, 854154), (175, 732132), (180, 711795), (189, 677900), (210, 610110), (225, 569436), (252, 508425), (270, 474530), (300, 427077), (315, 406740), (350, 366066), (378, 338950), (420, 305055), (450, 284718), (525, 244044), (540, 237265), (630, 203370), (675, 189812), (700, 183033), (756, 169475), (900, 142359), (945, 135580), (1050, 122022), (1260, 101685), (1350, 94906), (1575, 81348), (1890, 67790), (2100, 61011), (2700, 47453), (3150, 40674), (3780, 33895), (4725, 27116), (6300, 20337), (6779, 18900), (9450, 13558)]