63728475

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 109278720

約数和(自身を除く): 45550245

約数列:

[1, 3, 5, 15, 25, 47, 75, 101, 141, 179, 235, 303, 505, 537, 705, 895, 1175, 1515, 2525, 2685, 3525, 4475, 4747, 7575, 8413, 13425, 14241, 18079, 23735, 25239, 42065, 54237, 71205, 90395, 118675, 126195, 210325, 271185, 356025, 451975, 630975, 849713, 1355925, 2549139, 4248565, 12745695, 21242825, 63728475]

約数ペア:

[(1, 63728475), (3, 21242825), (5, 12745695), (15, 4248565), (25, 2549139), (47, 1355925), (75, 849713), (101, 630975), (141, 451975), (179, 356025), (235, 271185), (303, 210325), (505, 126195), (537, 118675), (705, 90395), (895, 71205), (1175, 54237), (1515, 42065), (2525, 25239), (2685, 23735), (3525, 18079), (4475, 14241), (4747, 13425), (7575, 8413)]