81765480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16619}}^1$

素因数の和:16674

約数の個数: 64

約数和(自身を含む): 251294400

約数和(自身を除く): 169528920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 16619, 33238, 49857, 66476, 83095, 99714, 132952, 166190, 199428, 249285, 332380, 398856, 498570, 664760, 681379, 997140, 1362758, 1994280, 2044137, 2725516, 3406895, 4088274, 5451032, 6813790, 8176548, 10220685, 13627580, 16353096, 20441370, 27255160, 40882740, 81765480]

約数ペア:

[(1, 81765480), (2, 40882740), (3, 27255160), (4, 20441370), (5, 16353096), (6, 13627580), (8, 10220685), (10, 8176548), (12, 6813790), (15, 5451032), (20, 4088274), (24, 3406895), (30, 2725516), (40, 2044137), (41, 1994280), (60, 1362758), (82, 997140), (120, 681379), (123, 664760), (164, 498570), (205, 398856), (246, 332380), (328, 249285), (410, 199428), (492, 166190), (615, 132952), (820, 99714), (984, 83095), (1230, 66476), (1640, 49857), (2460, 33238), (4920, 16619)]