161681100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{76991}}^1$

素因数の和:77015

約数の個数: 72

約数和(自身を含む): 534632448

約数和(自身を除く): 372951348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 76991, 153982, 230973, 307964, 384955, 461946, 538937, 769910, 923892, 1077874, 1154865, 1539820, 1616811, 1924775, 2155748, 2309730, 2694685, 3233622, 3849550, 4619460, 5389370, 5774325, 6467244, 7699100, 8084055, 10778740, 11548650, 13473425, 16168110, 23097300, 26946850, 32336220, 40420275, 53893700, 80840550, 161681100]

約数ペア:

[(1, 161681100), (2, 80840550), (3, 53893700), (4, 40420275), (5, 32336220), (6, 26946850), (7, 23097300), (10, 16168110), (12, 13473425), (14, 11548650), (15, 10778740), (20, 8084055), (21, 7699100), (25, 6467244), (28, 5774325), (30, 5389370), (35, 4619460), (42, 3849550), (50, 3233622), (60, 2694685), (70, 2309730), (75, 2155748), (84, 1924775), (100, 1616811), (105, 1539820), (140, 1154865), (150, 1077874), (175, 923892), (210, 769910), (300, 538937), (350, 461946), (420, 384955), (525, 307964), (700, 230973), (1050, 153982), (2100, 76991)]